Home / 58,732.87-81,050.45-31,875.15

Finding the Fourth Proportional to 58,732.87, 81,050.45 and 31,875.15

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Solution

The fourth proportional to 58,732.87, 81,050.45 and 31,875.15 is: 43,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,732.87 : 81,050.45 = 31,875.15 : x
  2. Step 2: Convert to fraction form
    58,732.87/81,050.45 = 31,875.15/x
  3. Step 3: Cross multiply
    58,732.87x = 81,050.45 × 31,875.15
  4. Step 4: Simplify right side
    58,732.87x = 2,583,494,801.67
  5. Step 5: Solve for x
    x = 2,583,494,801.67/58,732.87
  6. Step 6: Final answer
    x = 43,987.20

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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.