Home / 64,803.07-89,432.36-48,859.39

Finding the Fourth Proportional to 64,803.07, 89,432.36 and 48,859.39

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Solution

The fourth proportional to 64,803.07, 89,432.36 and 48,859.39 is: 67,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,803.07 : 89,432.36 = 48,859.39 : x
  2. Step 2: Convert to fraction form
    64,803.07/89,432.36 = 48,859.39/x
  3. Step 3: Cross multiply
    64,803.07x = 89,432.36 × 48,859.39
  4. Step 4: Simplify right side
    64,803.07x = 4,369,610,555.86
  5. Step 5: Solve for x
    x = 4,369,610,555.86/64,803.07
  6. Step 6: Final answer
    x = 67,429.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.