Home / 71,088.48-98,103.60-39,260.88

Finding the Fourth Proportional to 71,088.48, 98,103.60 and 39,260.88

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Solution

The fourth proportional to 71,088.48, 98,103.60 and 39,260.88 is: 54,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,088.48 : 98,103.60 = 39,260.88 : x
  2. Step 2: Convert to fraction form
    71,088.48/98,103.60 = 39,260.88/x
  3. Step 3: Cross multiply
    71,088.48x = 98,103.60 × 39,260.88
  4. Step 4: Simplify right side
    71,088.48x = 3,851,633,667.17
  5. Step 5: Solve for x
    x = 3,851,633,667.17/71,088.48
  6. Step 6: Final answer
    x = 54,180.84

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1.5x scale

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.