Home / 70,545.11-97,349.19-38,714.54

Finding the Fourth Proportional to 70,545.11, 97,349.19 and 38,714.54

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Solution

The fourth proportional to 70,545.11, 97,349.19 and 38,714.54 is: 53,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,545.11 : 97,349.19 = 38,714.54 : x
  2. Step 2: Convert to fraction form
    70,545.11/97,349.19 = 38,714.54/x
  3. Step 3: Cross multiply
    70,545.11x = 97,349.19 × 38,714.54
  4. Step 4: Simplify right side
    70,545.11x = 3,768,829,110.22
  5. Step 5: Solve for x
    x = 3,768,829,110.22/70,545.11
  6. Step 6: Final answer
    x = 53,424.38

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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.