Home / 85,248.56-117,643.52-49,459.88

Finding the Fourth Proportional to 85,248.56, 117,643.52 and 49,459.88

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Solution

The fourth proportional to 85,248.56, 117,643.52 and 49,459.88 is: 68,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248.56 : 117,643.52 = 49,459.88 : x
  2. Step 2: Convert to fraction form
    85,248.56/117,643.52 = 49,459.88/x
  3. Step 3: Cross multiply
    85,248.56x = 117,643.52 × 49,459.88
  4. Step 4: Simplify right side
    85,248.56x = 5,818,634,381.98
  5. Step 5: Solve for x
    x = 5,818,634,381.98/85,248.56
  6. Step 6: Final answer
    x = 68,254.93

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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.