Home / 99,287.13-137,016.24-54,575.13

Finding the Fourth Proportional to 99,287.13, 137,016.24 and 54,575.13

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Solution

The fourth proportional to 99,287.13, 137,016.24 and 54,575.13 is: 75,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,287.13 : 137,016.24 = 54,575.13 : x
  2. Step 2: Convert to fraction form
    99,287.13/137,016.24 = 54,575.13/x
  3. Step 3: Cross multiply
    99,287.13x = 137,016.24 × 54,575.13
  4. Step 4: Simplify right side
    99,287.13x = 7,477,678,152.15
  5. Step 5: Solve for x
    x = 7,477,678,152.15/99,287.13
  6. Step 6: Final answer
    x = 75,313.67

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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.