Home / 71,179.96-98,225.34-42,127.16

Finding the Fourth Proportional to 71,179.96, 98,225.34 and 42,127.16

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Solution

The fourth proportional to 71,179.96, 98,225.34 and 42,127.16 is: 58,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179.96 : 98,225.34 = 42,127.16 : x
  2. Step 2: Convert to fraction form
    71,179.96/98,225.34 = 42,127.16/x
  3. Step 3: Cross multiply
    71,179.96x = 98,225.34 × 42,127.16
  4. Step 4: Simplify right side
    71,179.96x = 4,137,954,614.23
  5. Step 5: Solve for x
    x = 4,137,954,614.23/71,179.96
  6. Step 6: Final answer
    x = 58,133.70

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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.