Home / 91,059.48-136,506.02-31,862.86

Finding the Fourth Proportional to 91,059.48, 136,506.02 and 31,862.86

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Solution

The fourth proportional to 91,059.48, 136,506.02 and 31,862.86 is: 47,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,059.48 : 136,506.02 = 31,862.86 : x
  2. Step 2: Convert to fraction form
    91,059.48/136,506.02 = 31,862.86/x
  3. Step 3: Cross multiply
    91,059.48x = 136,506.02 × 31,862.86
  4. Step 4: Simplify right side
    91,059.48x = 4,349,471,703.84
  5. Step 5: Solve for x
    x = 4,349,471,703.84/91,059.48
  6. Step 6: Final answer
    x = 47,765.17

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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.