Home / 75,046.56-112,421.28-61,022.16

Finding the Fourth Proportional to 75,046.56, 112,421.28 and 61,022.16

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Solution

The fourth proportional to 75,046.56, 112,421.28 and 61,022.16 is: 91,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,046.56 : 112,421.28 = 61,022.16 : x
  2. Step 2: Convert to fraction form
    75,046.56/112,421.28 = 61,022.16/x
  3. Step 3: Cross multiply
    75,046.56x = 112,421.28 × 61,022.16
  4. Step 4: Simplify right side
    75,046.56x = 6,860,189,335.56
  5. Step 5: Solve for x
    x = 6,860,189,335.56/75,046.56
  6. Step 6: Final answer
    x = 91,412.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.