Home / 91,174.07-125,721.02-59,283.83

Finding the Fourth Proportional to 91,174.07, 125,721.02 and 59,283.83

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Solution

The fourth proportional to 91,174.07, 125,721.02 and 59,283.83 is: 81,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,174.07 : 125,721.02 = 59,283.83 : x
  2. Step 2: Convert to fraction form
    91,174.07/125,721.02 = 59,283.83/x
  3. Step 3: Cross multiply
    91,174.07x = 125,721.02 × 59,283.83
  4. Step 4: Simplify right side
    91,174.07x = 7,453,223,096.71
  5. Step 5: Solve for x
    x = 7,453,223,096.71/91,174.07
  6. Step 6: Final answer
    x = 81,747.18

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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.