Home / 61,187.18-84,437.78-34,329.11

Finding the Fourth Proportional to 61,187.18, 84,437.78 and 34,329.11

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Solution

The fourth proportional to 61,187.18, 84,437.78 and 34,329.11 is: 47,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,187.18 : 84,437.78 = 34,329.11 : x
  2. Step 2: Convert to fraction form
    61,187.18/84,437.78 = 34,329.11/x
  3. Step 3: Cross multiply
    61,187.18x = 84,437.78 × 34,329.11
  4. Step 4: Simplify right side
    61,187.18x = 2,898,673,243.94
  5. Step 5: Solve for x
    x = 2,898,673,243.94/61,187.18
  6. Step 6: Final answer
    x = 47,373.87

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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.