Home / 91,925.93-126,872.54-85,922.61

Finding the Fourth Proportional to 91,925.93, 126,872.54 and 85,922.61

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Solution

The fourth proportional to 91,925.93, 126,872.54 and 85,922.61 is: 118,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,925.93 : 126,872.54 = 85,922.61 : x
  2. Step 2: Convert to fraction form
    91,925.93/126,872.54 = 85,922.61/x
  3. Step 3: Cross multiply
    91,925.93x = 126,872.54 × 85,922.61
  4. Step 4: Simplify right side
    91,925.93x = 10,901,219,666.73
  5. Step 5: Solve for x
    x = 10,901,219,666.73/91,925.93
  6. Step 6: Final answer
    x = 118,587.00

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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.