Home / 86,740.29-119,700.05-49,013.73

Finding the Fourth Proportional to 86,740.29, 119,700.05 and 49,013.73

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Solution

The fourth proportional to 86,740.29, 119,700.05 and 49,013.73 is: 67,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,740.29 : 119,700.05 = 49,013.73 : x
  2. Step 2: Convert to fraction form
    86,740.29/119,700.05 = 49,013.73/x
  3. Step 3: Cross multiply
    86,740.29x = 119,700.05 × 49,013.73
  4. Step 4: Simplify right side
    86,740.29x = 5,866,945,686.62
  5. Step 5: Solve for x
    x = 5,866,945,686.62/86,740.29
  6. Step 6: Final answer
    x = 67,638.07

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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.