Home / 87,030.12-130,554.24-37,115.48

Finding the Fourth Proportional to 87,030.12, 130,554.24 and 37,115.48

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Solution

The fourth proportional to 87,030.12, 130,554.24 and 37,115.48 is: 55,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,030.12 : 130,554.24 = 37,115.48 : x
  2. Step 2: Convert to fraction form
    87,030.12/130,554.24 = 37,115.48/x
  3. Step 3: Cross multiply
    87,030.12x = 130,554.24 × 37,115.48
  4. Step 4: Simplify right side
    87,030.12x = 4,845,583,283.64
  5. Step 5: Solve for x
    x = 4,845,583,283.64/87,030.12
  6. Step 6: Final answer
    x = 55,677.08

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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.