Home / 86,276.09-119,042.70-54,426.53

Finding the Fourth Proportional to 86,276.09, 119,042.70 and 54,426.53

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Solution

The fourth proportional to 86,276.09, 119,042.70 and 54,426.53 is: 75,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,276.09 : 119,042.70 = 54,426.53 : x
  2. Step 2: Convert to fraction form
    86,276.09/119,042.70 = 54,426.53/x
  3. Step 3: Cross multiply
    86,276.09x = 119,042.70 × 54,426.53
  4. Step 4: Simplify right side
    86,276.09x = 6,479,081,082.83
  5. Step 5: Solve for x
    x = 6,479,081,082.83/86,276.09
  6. Step 6: Final answer
    x = 75,097.06

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1.5x scale

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.