Home / 87,284.70-130,908.54-39,886.32

Finding the Fourth Proportional to 87,284.70, 130,908.54 and 39,886.32

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Solution

The fourth proportional to 87,284.70, 130,908.54 and 39,886.32 is: 59,821.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,284.70 : 130,908.54 = 39,886.32 : x
  2. Step 2: Convert to fraction form
    87,284.70/130,908.54 = 39,886.32/x
  3. Step 3: Cross multiply
    87,284.70x = 130,908.54 × 39,886.32
  4. Step 4: Simplify right side
    87,284.70x = 5,221,459,917.17
  5. Step 5: Solve for x
    x = 5,221,459,917.17/87,284.70
  6. Step 6: Final answer
    x = 59,821.02

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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.