Home / 64,742.16-89,370.36-48,830.52

Finding the Fourth Proportional to 64,742.16, 89,370.36 and 48,830.52

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Solution

The fourth proportional to 64,742.16, 89,370.36 and 48,830.52 is: 67,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,742.16 : 89,370.36 = 48,830.52 : x
  2. Step 2: Convert to fraction form
    64,742.16/89,370.36 = 48,830.52/x
  3. Step 3: Cross multiply
    64,742.16x = 89,370.36 × 48,830.52
  4. Step 4: Simplify right side
    64,742.16x = 4,364,001,151.39
  5. Step 5: Solve for x
    x = 4,364,001,151.39/64,742.16
  6. Step 6: Final answer
    x = 67,405.86

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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.