Home / 74,041.17-102,179.16-40,507.17

Finding the Fourth Proportional to 74,041.17, 102,179.16 and 40,507.17

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Solution

The fourth proportional to 74,041.17, 102,179.16 and 40,507.17 is: 55,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,041.17 : 102,179.16 = 40,507.17 : x
  2. Step 2: Convert to fraction form
    74,041.17/102,179.16 = 40,507.17/x
  3. Step 3: Cross multiply
    74,041.17x = 102,179.16 × 40,507.17
  4. Step 4: Simplify right side
    74,041.17x = 4,138,988,604.58
  5. Step 5: Solve for x
    x = 4,138,988,604.58/74,041.17
  6. Step 6: Final answer
    x = 55,901.18

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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.