Home / 49,885.73-68,854.09-28,677.30

Finding the Fourth Proportional to 49,885.73, 68,854.09 and 28,677.30

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Solution

The fourth proportional to 49,885.73, 68,854.09 and 28,677.30 is: 39,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,885.73 : 68,854.09 = 28,677.30 : x
  2. Step 2: Convert to fraction form
    49,885.73/68,854.09 = 28,677.30/x
  3. Step 3: Cross multiply
    49,885.73x = 68,854.09 × 28,677.30
  4. Step 4: Simplify right side
    49,885.73x = 1,974,549,395.16
  5. Step 5: Solve for x
    x = 1,974,549,395.16/49,885.73
  6. Step 6: Final answer
    x = 39,581.45

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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.