Home / 99,430.76-137,216.11-54,110.66

Finding the Fourth Proportional to 99,430.76, 137,216.11 and 54,110.66

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Solution

The fourth proportional to 99,430.76, 137,216.11 and 54,110.66 is: 74,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,430.76 : 137,216.11 = 54,110.66 : x
  2. Step 2: Convert to fraction form
    99,430.76/137,216.11 = 54,110.66/x
  3. Step 3: Cross multiply
    99,430.76x = 137,216.11 × 54,110.66
  4. Step 4: Simplify right side
    99,430.76x = 7,424,853,453.38
  5. Step 5: Solve for x
    x = 7,424,853,453.38/99,430.76
  6. Step 6: Final answer
    x = 74,673.60

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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.