Home / 86,538.38-119,424.78-48,812.63

Finding the Fourth Proportional to 86,538.38, 119,424.78 and 48,812.63

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Solution

The fourth proportional to 86,538.38, 119,424.78 and 48,812.63 is: 67,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538.38 : 119,424.78 = 48,812.63 : x
  2. Step 2: Convert to fraction form
    86,538.38/119,424.78 = 48,812.63/x
  3. Step 3: Cross multiply
    86,538.38x = 119,424.78 × 48,812.63
  4. Step 4: Simplify right side
    86,538.38x = 5,829,437,001.85
  5. Step 5: Solve for x
    x = 5,829,437,001.85/86,538.38
  6. Step 6: Final answer
    x = 67,362.45

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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.