Home / 71,340.60-98,442.07-39,501.52

Finding the Fourth Proportional to 71,340.60, 98,442.07 and 39,501.52

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Solution

The fourth proportional to 71,340.60, 98,442.07 and 39,501.52 is: 54,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,340.60 : 98,442.07 = 39,501.52 : x
  2. Step 2: Convert to fraction form
    71,340.60/98,442.07 = 39,501.52/x
  3. Step 3: Cross multiply
    71,340.60x = 98,442.07 × 39,501.52
  4. Step 4: Simplify right side
    71,340.60x = 3,888,611,396.95
  5. Step 5: Solve for x
    x = 3,888,611,396.95/71,340.60
  6. Step 6: Final answer
    x = 54,507.69

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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.