Home / 87,113.31-130,669.98-24,783.81

Finding the Fourth Proportional to 87,113.31, 130,669.98 and 24,783.81

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Solution

The fourth proportional to 87,113.31, 130,669.98 and 24,783.81 is: 37,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,113.31 : 130,669.98 = 24,783.81 : x
  2. Step 2: Convert to fraction form
    87,113.31/130,669.98 = 24,783.81/x
  3. Step 3: Cross multiply
    87,113.31x = 130,669.98 × 24,783.81
  4. Step 4: Simplify right side
    87,113.31x = 3,238,499,957.02
  5. Step 5: Solve for x
    x = 3,238,499,957.02/87,113.31
  6. Step 6: Final answer
    x = 37,175.72

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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.