Home / 71,598.19-98,805.53-39,767.35

Finding the Fourth Proportional to 71,598.19, 98,805.53 and 39,767.35

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Solution

The fourth proportional to 71,598.19, 98,805.53 and 39,767.35 is: 54,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,598.19 : 98,805.53 = 39,767.35 : x
  2. Step 2: Convert to fraction form
    71,598.19/98,805.53 = 39,767.35/x
  3. Step 3: Cross multiply
    71,598.19x = 98,805.53 × 39,767.35
  4. Step 4: Simplify right side
    71,598.19x = 3,929,233,945.85
  5. Step 5: Solve for x
    x = 3,929,233,945.85/71,598.19
  6. Step 6: Final answer
    x = 54,878.96

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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.