Home / 107,312.40-161,126.56-60,020.14

Finding the Fourth Proportional to 107,312.40, 161,126.56 and 60,020.14

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Solution

The fourth proportional to 107,312.40, 161,126.56 and 60,020.14 is: 90,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,312.40 : 161,126.56 = 60,020.14 : x
  2. Step 2: Convert to fraction form
    107,312.40/161,126.56 = 60,020.14/x
  3. Step 3: Cross multiply
    107,312.40x = 161,126.56 × 60,020.14
  4. Step 4: Simplify right side
    107,312.40x = 9,670,838,688.92
  5. Step 5: Solve for x
    x = 9,670,838,688.92/107,312.40
  6. Step 6: Final answer
    x = 90,118.56

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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.