Home / 102,565.32-141,547.24-57,252.12

Finding the Fourth Proportional to 102,565.32, 141,547.24 and 57,252.12

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Solution

The fourth proportional to 102,565.32, 141,547.24 and 57,252.12 is: 79,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,565.32 : 141,547.24 = 57,252.12 : x
  2. Step 2: Convert to fraction form
    102,565.32/141,547.24 = 57,252.12/x
  3. Step 3: Cross multiply
    102,565.32x = 141,547.24 × 57,252.12
  4. Step 4: Simplify right side
    102,565.32x = 8,103,879,283.89
  5. Step 5: Solve for x
    x = 8,103,879,283.89/102,565.32
  6. Step 6: Final answer
    x = 79,011.89

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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.