Home / 74,344.64-102,592.86-40,352.40

Finding the Fourth Proportional to 74,344.64, 102,592.86 and 40,352.40

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Solution

The fourth proportional to 74,344.64, 102,592.86 and 40,352.40 is: 55,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.64 : 102,592.86 = 40,352.40 : x
  2. Step 2: Convert to fraction form
    74,344.64/102,592.86 = 40,352.40/x
  3. Step 3: Cross multiply
    74,344.64x = 102,592.86 × 40,352.40
  4. Step 4: Simplify right side
    74,344.64x = 4,139,868,123.86
  5. Step 5: Solve for x
    x = 4,139,868,123.86/74,344.64
  6. Step 6: Final answer
    x = 55,684.82

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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.