Home / 61,385.68-84,711.40-34,528.18

Finding the Fourth Proportional to 61,385.68, 84,711.40 and 34,528.18

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Solution

The fourth proportional to 61,385.68, 84,711.40 and 34,528.18 is: 47,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,385.68 : 84,711.40 = 34,528.18 : x
  2. Step 2: Convert to fraction form
    61,385.68/84,711.40 = 34,528.18/x
  3. Step 3: Cross multiply
    61,385.68x = 84,711.40 × 34,528.18
  4. Step 4: Simplify right side
    61,385.68x = 2,924,930,467.25
  5. Step 5: Solve for x
    x = 2,924,930,467.25/61,385.68
  6. Step 6: Final answer
    x = 47,648.42

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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.