Home / 86,365.50-119,184.75-48,640.38

Finding the Fourth Proportional to 86,365.50, 119,184.75 and 48,640.38

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Solution

The fourth proportional to 86,365.50, 119,184.75 and 48,640.38 is: 67,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,365.50 : 119,184.75 = 48,640.38 : x
  2. Step 2: Convert to fraction form
    86,365.50/119,184.75 = 48,640.38/x
  3. Step 3: Cross multiply
    86,365.50x = 119,184.75 × 48,640.38
  4. Step 4: Simplify right side
    86,365.50x = 5,797,191,530.21
  5. Step 5: Solve for x
    x = 5,797,191,530.21/86,365.50
  6. Step 6: Final answer
    x = 67,123.93

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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.