Home / 71,341.20-106,981.56-38,054.16

Finding the Fourth Proportional to 71,341.20, 106,981.56 and 38,054.16

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Solution

The fourth proportional to 71,341.20, 106,981.56 and 38,054.16 is: 57,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,341.20 : 106,981.56 = 38,054.16 : x
  2. Step 2: Convert to fraction form
    71,341.20/106,981.56 = 38,054.16/x
  3. Step 3: Cross multiply
    71,341.20x = 106,981.56 × 38,054.16
  4. Step 4: Simplify right side
    71,341.20x = 4,071,093,401.29
  5. Step 5: Solve for x
    x = 4,071,093,401.29/71,341.20
  6. Step 6: Final answer
    x = 57,065.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.