Home / 61,677.09-85,116.45-37,799.15

Finding the Fourth Proportional to 61,677.09, 85,116.45 and 37,799.15

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Solution

The fourth proportional to 61,677.09, 85,116.45 and 37,799.15 is: 52,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,677.09 : 85,116.45 = 37,799.15 : x
  2. Step 2: Convert to fraction form
    61,677.09/85,116.45 = 37,799.15/x
  3. Step 3: Cross multiply
    61,677.09x = 85,116.45 × 37,799.15
  4. Step 4: Simplify right side
    61,677.09x = 3,217,329,272.02
  5. Step 5: Solve for x
    x = 3,217,329,272.02/61,677.09
  6. Step 6: Final answer
    x = 52,164.09

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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.