Home / 91,079.73-125,647.13-59,237.01

Finding the Fourth Proportional to 91,079.73, 125,647.13 and 59,237.01

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Solution

The fourth proportional to 91,079.73, 125,647.13 and 59,237.01 is: 81,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,079.73 : 125,647.13 = 59,237.01 : x
  2. Step 2: Convert to fraction form
    91,079.73/125,647.13 = 59,237.01/x
  3. Step 3: Cross multiply
    91,079.73x = 125,647.13 × 59,237.01
  4. Step 4: Simplify right side
    91,079.73x = 7,442,960,296.28
  5. Step 5: Solve for x
    x = 7,442,960,296.28/91,079.73
  6. Step 6: Final answer
    x = 81,719.17

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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.