Home / 99,892.07-137,848.77-54,570.24

Finding the Fourth Proportional to 99,892.07, 137,848.77 and 54,570.24

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Solution

The fourth proportional to 99,892.07, 137,848.77 and 54,570.24 is: 75,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,892.07 : 137,848.77 = 54,570.24 : x
  2. Step 2: Convert to fraction form
    99,892.07/137,848.77 = 54,570.24/x
  3. Step 3: Cross multiply
    99,892.07x = 137,848.77 × 54,570.24
  4. Step 4: Simplify right side
    99,892.07x = 7,522,440,462.60
  5. Step 5: Solve for x
    x = 7,522,440,462.60/99,892.07
  6. Step 6: Final answer
    x = 75,305.68

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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.