Home / 136,724.53-205,019.24-41,931.98

Finding the Fourth Proportional to 136,724.53, 205,019.24 and 41,931.98

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Solution

The fourth proportional to 136,724.53, 205,019.24 and 41,931.98 is: 62,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,724.53 : 205,019.24 = 41,931.98 : x
  2. Step 2: Convert to fraction form
    136,724.53/205,019.24 = 41,931.98/x
  3. Step 3: Cross multiply
    136,724.53x = 205,019.24 × 41,931.98
  4. Step 4: Simplify right side
    136,724.53x = 8,596,862,974.18
  5. Step 5: Solve for x
    x = 8,596,862,974.18/136,724.53
  6. Step 6: Final answer
    x = 62,877.25

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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.