Home / 64,253.05-88,701.38-40,392.88

Finding the Fourth Proportional to 64,253.05, 88,701.38 and 40,392.88

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Solution

The fourth proportional to 64,253.05, 88,701.38 and 40,392.88 is: 55,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,253.05 : 88,701.38 = 40,392.88 : x
  2. Step 2: Convert to fraction form
    64,253.05/88,701.38 = 40,392.88/x
  3. Step 3: Cross multiply
    64,253.05x = 88,701.38 × 40,392.88
  4. Step 4: Simplify right side
    64,253.05x = 3,582,903,925.93
  5. Step 5: Solve for x
    x = 3,582,903,925.93/64,253.05
  6. Step 6: Final answer
    x = 55,762.40

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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.