Home / 90,962.64-125,484.84-59,141.52

Finding the Fourth Proportional to 90,962.64, 125,484.84 and 59,141.52

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Solution

The fourth proportional to 90,962.64, 125,484.84 and 59,141.52 is: 81,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,962.64 : 125,484.84 = 59,141.52 : x
  2. Step 2: Convert to fraction form
    90,962.64/125,484.84 = 59,141.52/x
  3. Step 3: Cross multiply
    90,962.64x = 125,484.84 × 59,141.52
  4. Step 4: Simplify right side
    90,962.64x = 7,421,364,174.56
  5. Step 5: Solve for x
    x = 7,421,364,174.56/90,962.64
  6. Step 6: Final answer
    x = 81,586.95

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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.