Home / 86,901.15-119,924.25-49,174.59

Finding the Fourth Proportional to 86,901.15, 119,924.25 and 49,174.59

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Solution

The fourth proportional to 86,901.15, 119,924.25 and 49,174.59 is: 67,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,901.15 : 119,924.25 = 49,174.59 : x
  2. Step 2: Convert to fraction form
    86,901.15/119,924.25 = 49,174.59/x
  3. Step 3: Cross multiply
    86,901.15x = 119,924.25 × 49,174.59
  4. Step 4: Simplify right side
    86,901.15x = 5,897,225,824.81
  5. Step 5: Solve for x
    x = 5,897,225,824.81/86,901.15
  6. Step 6: Final answer
    x = 67,861.31

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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.