Home / 109,521.60-151,146.87-61,773.93

Finding the Fourth Proportional to 109,521.60, 151,146.87 and 61,773.93

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Solution

The fourth proportional to 109,521.60, 151,146.87 and 61,773.93 is: 85,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,521.60 : 151,146.87 = 61,773.93 : x
  2. Step 2: Convert to fraction form
    109,521.60/151,146.87 = 61,773.93/x
  3. Step 3: Cross multiply
    109,521.60x = 151,146.87 × 61,773.93
  4. Step 4: Simplify right side
    109,521.60x = 9,336,935,368.65
  5. Step 5: Solve for x
    x = 9,336,935,368.65/109,521.60
  6. Step 6: Final answer
    x = 85,252.00

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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.