Home / 91,060.59-125,678.75-52,842.77

Finding the Fourth Proportional to 91,060.59, 125,678.75 and 52,842.77

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Solution

The fourth proportional to 91,060.59, 125,678.75 and 52,842.77 is: 72,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,060.59 : 125,678.75 = 52,842.77 : x
  2. Step 2: Convert to fraction form
    91,060.59/125,678.75 = 52,842.77/x
  3. Step 3: Cross multiply
    91,060.59x = 125,678.75 × 52,842.77
  4. Step 4: Simplify right side
    91,060.59x = 6,641,213,280.14
  5. Step 5: Solve for x
    x = 6,641,213,280.14/91,060.59
  6. Step 6: Final answer
    x = 72,931.81

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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.