Home / 61,699.17-85,158.01-42,344.56

Finding the Fourth Proportional to 61,699.17, 85,158.01 and 42,344.56

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Solution

The fourth proportional to 61,699.17, 85,158.01 and 42,344.56 is: 58,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,699.17 : 85,158.01 = 42,344.56 : x
  2. Step 2: Convert to fraction form
    61,699.17/85,158.01 = 42,344.56/x
  3. Step 3: Cross multiply
    61,699.17x = 85,158.01 × 42,344.56
  4. Step 4: Simplify right side
    61,699.17x = 3,605,977,826.41
  5. Step 5: Solve for x
    x = 3,605,977,826.41/61,699.17
  6. Step 6: Final answer
    x = 58,444.52

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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.