Home / 61,747.08-85,214.28-34,890.72

Finding the Fourth Proportional to 61,747.08, 85,214.28 and 34,890.72

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Solution

The fourth proportional to 61,747.08, 85,214.28 and 34,890.72 is: 48,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,747.08 : 85,214.28 = 34,890.72 : x
  2. Step 2: Convert to fraction form
    61,747.08/85,214.28 = 34,890.72/x
  3. Step 3: Cross multiply
    61,747.08x = 85,214.28 × 34,890.72
  4. Step 4: Simplify right side
    61,747.08x = 2,973,187,583.48
  5. Step 5: Solve for x
    x = 2,973,187,583.48/61,747.08
  6. Step 6: Final answer
    x = 48,151.06

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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.