Home / 99,532.32-137,355.76-57,094.80

Finding the Fourth Proportional to 99,532.32, 137,355.76 and 57,094.80

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Solution

The fourth proportional to 99,532.32, 137,355.76 and 57,094.80 is: 78,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,532.32 : 137,355.76 = 57,094.80 : x
  2. Step 2: Convert to fraction form
    99,532.32/137,355.76 = 57,094.80/x
  3. Step 3: Cross multiply
    99,532.32x = 137,355.76 × 57,094.80
  4. Step 4: Simplify right side
    99,532.32x = 7,842,299,646.05
  5. Step 5: Solve for x
    x = 7,842,299,646.05/99,532.32
  6. Step 6: Final answer
    x = 78,791.49

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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.