Home / 93,645.45-129,239.16-53,372.18

Finding the Fourth Proportional to 93,645.45, 129,239.16 and 53,372.18

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Solution

The fourth proportional to 93,645.45, 129,239.16 and 53,372.18 is: 73,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,645.45 : 129,239.16 = 53,372.18 : x
  2. Step 2: Convert to fraction form
    93,645.45/129,239.16 = 53,372.18/x
  3. Step 3: Cross multiply
    93,645.45x = 129,239.16 × 53,372.18
  4. Step 4: Simplify right side
    93,645.45x = 6,897,775,443.71
  5. Step 5: Solve for x
    x = 6,897,775,443.71/93,645.45
  6. Step 6: Final answer
    x = 73,658.42

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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.