Home / 91,577.79-137,417.72-49,456.98

Finding the Fourth Proportional to 91,577.79, 137,417.72 and 49,456.98

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Solution

The fourth proportional to 91,577.79, 137,417.72 and 49,456.98 is: 74,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,577.79 : 137,417.72 = 49,456.98 : x
  2. Step 2: Convert to fraction form
    91,577.79/137,417.72 = 49,456.98/x
  3. Step 3: Cross multiply
    91,577.79x = 137,417.72 × 49,456.98
  4. Step 4: Simplify right side
    91,577.79x = 6,796,265,182.40
  5. Step 5: Solve for x
    x = 6,796,265,182.40/91,577.79
  6. Step 6: Final answer
    x = 74,213.03

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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.