Home / 87,237.52-130,828.74-28,060

Finding the Fourth Proportional to 87,237.52, 130,828.74 and 28,060

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Solution

The fourth proportional to 87,237.52, 130,828.74 and 28,060 is: 42,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,237.52 : 130,828.74 = 28,060 : x
  2. Step 2: Convert to fraction form
    87,237.52/130,828.74 = 28,060/x
  3. Step 3: Cross multiply
    87,237.52x = 130,828.74 × 28,060
  4. Step 4: Simplify right side
    87,237.52x = 3,671,054,444.40
  5. Step 5: Solve for x
    x = 3,671,054,444.40/87,237.52
  6. Step 6: Final answer
    x = 42,081.14

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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.