Home / 75,773.88-104,575.02-42,239.16

Finding the Fourth Proportional to 75,773.88, 104,575.02 and 42,239.16

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Solution

The fourth proportional to 75,773.88, 104,575.02 and 42,239.16 is: 58,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,773.88 : 104,575.02 = 42,239.16 : x
  2. Step 2: Convert to fraction form
    75,773.88/104,575.02 = 42,239.16/x
  3. Step 3: Cross multiply
    75,773.88x = 104,575.02 × 42,239.16
  4. Step 4: Simplify right side
    75,773.88x = 4,417,161,001.78
  5. Step 5: Solve for x
    x = 4,417,161,001.78/75,773.88
  6. Step 6: Final answer
    x = 58,293.98

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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.