Home / 99,599.13-137,445.06-54,277.47

Finding the Fourth Proportional to 99,599.13, 137,445.06 and 54,277.47

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Solution

The fourth proportional to 99,599.13, 137,445.06 and 54,277.47 is: 74,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,599.13 : 137,445.06 = 54,277.47 : x
  2. Step 2: Convert to fraction form
    99,599.13/137,445.06 = 54,277.47/x
  3. Step 3: Cross multiply
    99,599.13x = 137,445.06 × 54,277.47
  4. Step 4: Simplify right side
    99,599.13x = 7,460,170,120.80
  5. Step 5: Solve for x
    x = 7,460,170,120.80/99,599.13
  6. Step 6: Final answer
    x = 74,901.96

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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.