Home / 87,043.71-130,565.57-57,454.63

Finding the Fourth Proportional to 87,043.71, 130,565.57 and 57,454.63

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Solution

The fourth proportional to 87,043.71, 130,565.57 and 57,454.63 is: 86,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,043.71 : 130,565.57 = 57,454.63 : x
  2. Step 2: Convert to fraction form
    87,043.71/130,565.57 = 57,454.63/x
  3. Step 3: Cross multiply
    87,043.71x = 130,565.57 × 57,454.63
  4. Step 4: Simplify right side
    87,043.71x = 7,501,596,408.19
  5. Step 5: Solve for x
    x = 7,501,596,408.19/87,043.71
  6. Step 6: Final answer
    x = 86,181.94

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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.