Home / 71,526.96-98,706.24-39,695.76

Finding the Fourth Proportional to 71,526.96, 98,706.24 and 39,695.76

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Solution

The fourth proportional to 71,526.96, 98,706.24 and 39,695.76 is: 54,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,526.96 : 98,706.24 = 39,695.76 : x
  2. Step 2: Convert to fraction form
    71,526.96/98,706.24 = 39,695.76/x
  3. Step 3: Cross multiply
    71,526.96x = 98,706.24 × 39,695.76
  4. Step 4: Simplify right side
    71,526.96x = 3,918,219,213.54
  5. Step 5: Solve for x
    x = 3,918,219,213.54/71,526.96
  6. Step 6: Final answer
    x = 54,779.61

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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.