Home / 86,330.34-119,154.22-58,019.62

Finding the Fourth Proportional to 86,330.34, 119,154.22 and 58,019.62

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Solution

The fourth proportional to 86,330.34, 119,154.22 and 58,019.62 is: 80,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,330.34 : 119,154.22 = 58,019.62 : x
  2. Step 2: Convert to fraction form
    86,330.34/119,154.22 = 58,019.62/x
  3. Step 3: Cross multiply
    86,330.34x = 119,154.22 × 58,019.62
  4. Step 4: Simplify right side
    86,330.34x = 6,913,282,565.80
  5. Step 5: Solve for x
    x = 6,913,282,565.80/86,330.34
  6. Step 6: Final answer
    x = 80,079.41

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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.