Home / 86,565.15-129,847.73-58,498.65

Finding the Fourth Proportional to 86,565.15, 129,847.73 and 58,498.65

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Solution

The fourth proportional to 86,565.15, 129,847.73 and 58,498.65 is: 87,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,565.15 : 129,847.73 = 58,498.65 : x
  2. Step 2: Convert to fraction form
    86,565.15/129,847.73 = 58,498.65/x
  3. Step 3: Cross multiply
    86,565.15x = 129,847.73 × 58,498.65
  4. Step 4: Simplify right side
    86,565.15x = 7,595,916,618.07
  5. Step 5: Solve for x
    x = 7,595,916,618.07/86,565.15
  6. Step 6: Final answer
    x = 87,747.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.