Home / 102,565.14-153,916.43-36,005.46

Finding the Fourth Proportional to 102,565.14, 153,916.43 and 36,005.46

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Solution

The fourth proportional to 102,565.14, 153,916.43 and 36,005.46 is: 54,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,565.14 : 153,916.43 = 36,005.46 : x
  2. Step 2: Convert to fraction form
    102,565.14/153,916.43 = 36,005.46/x
  3. Step 3: Cross multiply
    102,565.14x = 153,916.43 × 36,005.46
  4. Step 4: Simplify right side
    102,565.14x = 5,541,832,073.54
  5. Step 5: Solve for x
    x = 5,541,832,073.54/102,565.14
  6. Step 6: Final answer
    x = 54,032.32

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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.