Home / 91,769.52-126,639.93-51,482.55

Finding the Fourth Proportional to 91,769.52, 126,639.93 and 51,482.55

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Solution

The fourth proportional to 91,769.52, 126,639.93 and 51,482.55 is: 71,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,769.52 : 126,639.93 = 51,482.55 : x
  2. Step 2: Convert to fraction form
    91,769.52/126,639.93 = 51,482.55/x
  3. Step 3: Cross multiply
    91,769.52x = 126,639.93 × 51,482.55
  4. Step 4: Simplify right side
    91,769.52x = 6,519,746,528.22
  5. Step 5: Solve for x
    x = 6,519,746,528.22/91,769.52
  6. Step 6: Final answer
    x = 71,044.79

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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.