Home / 70,960.29-97,923.11-39,129.18

Finding the Fourth Proportional to 70,960.29, 97,923.11 and 39,129.18

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Solution

The fourth proportional to 70,960.29, 97,923.11 and 39,129.18 is: 53,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,960.29 : 97,923.11 = 39,129.18 : x
  2. Step 2: Convert to fraction form
    70,960.29/97,923.11 = 39,129.18/x
  3. Step 3: Cross multiply
    70,960.29x = 97,923.11 × 39,129.18
  4. Step 4: Simplify right side
    70,960.29x = 3,831,650,801.70
  5. Step 5: Solve for x
    x = 3,831,650,801.70/70,960.29
  6. Step 6: Final answer
    x = 53,997.11

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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.