Home / 97,628.78-146,387.13-38,432.16

Finding the Fourth Proportional to 97,628.78, 146,387.13 and 38,432.16

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Solution

The fourth proportional to 97,628.78, 146,387.13 and 38,432.16 is: 57,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,628.78 : 146,387.13 = 38,432.16 : x
  2. Step 2: Convert to fraction form
    97,628.78/146,387.13 = 38,432.16/x
  3. Step 3: Cross multiply
    97,628.78x = 146,387.13 × 38,432.16
  4. Step 4: Simplify right side
    97,628.78x = 5,625,973,602.10
  5. Step 5: Solve for x
    x = 5,625,973,602.10/97,628.78
  6. Step 6: Final answer
    x = 57,626.18

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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.