Home / 74,423.24-102,705.92-42,602.40

Finding the Fourth Proportional to 74,423.24, 102,705.92 and 42,602.40

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Solution

The fourth proportional to 74,423.24, 102,705.92 and 42,602.40 is: 58,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,423.24 : 102,705.92 = 42,602.40 : x
  2. Step 2: Convert to fraction form
    74,423.24/102,705.92 = 42,602.40/x
  3. Step 3: Cross multiply
    74,423.24x = 102,705.92 × 42,602.40
  4. Step 4: Simplify right side
    74,423.24x = 4,375,518,686.21
  5. Step 5: Solve for x
    x = 4,375,518,686.21/74,423.24
  6. Step 6: Final answer
    x = 58,792.37

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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.