Home / 61,770.21-85,242.28-34,545.99

Finding the Fourth Proportional to 61,770.21, 85,242.28 and 34,545.99

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Solution

The fourth proportional to 61,770.21, 85,242.28 and 34,545.99 is: 47,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,770.21 : 85,242.28 = 34,545.99 : x
  2. Step 2: Convert to fraction form
    61,770.21/85,242.28 = 34,545.99/x
  3. Step 3: Cross multiply
    61,770.21x = 85,242.28 × 34,545.99
  4. Step 4: Simplify right side
    61,770.21x = 2,944,778,952.46
  5. Step 5: Solve for x
    x = 2,944,778,952.46/61,770.21
  6. Step 6: Final answer
    x = 47,673.13

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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.