Home / 102,565.82-141,547.92-57,252.62

Finding the Fourth Proportional to 102,565.82, 141,547.92 and 57,252.62

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Solution

The fourth proportional to 102,565.82, 141,547.92 and 57,252.62 is: 79,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,565.82 : 141,547.92 = 57,252.62 : x
  2. Step 2: Convert to fraction form
    102,565.82/141,547.92 = 57,252.62/x
  3. Step 3: Cross multiply
    102,565.82x = 141,547.92 × 57,252.62
  4. Step 4: Simplify right side
    102,565.82x = 8,103,989,275.55
  5. Step 5: Solve for x
    x = 8,103,989,275.55/102,565.82
  6. Step 6: Final answer
    x = 79,012.57

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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.