Home / 61,747.07-85,214.28-34,890.71

Finding the Fourth Proportional to 61,747.07, 85,214.28 and 34,890.71

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Solution

The fourth proportional to 61,747.07, 85,214.28 and 34,890.71 is: 48,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,747.07 : 85,214.28 = 34,890.71 : x
  2. Step 2: Convert to fraction form
    61,747.07/85,214.28 = 34,890.71/x
  3. Step 3: Cross multiply
    61,747.07x = 85,214.28 × 34,890.71
  4. Step 4: Simplify right side
    61,747.07x = 2,973,186,731.34
  5. Step 5: Solve for x
    x = 2,973,186,731.34/61,747.07
  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.