Home / 86,330.69-119,154.73-58,019.97

Finding the Fourth Proportional to 86,330.69, 119,154.73 and 58,019.97

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Solution

The fourth proportional to 86,330.69, 119,154.73 and 58,019.97 is: 80,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,330.69 : 119,154.73 = 58,019.97 : x
  2. Step 2: Convert to fraction form
    86,330.69/119,154.73 = 58,019.97/x
  3. Step 3: Cross multiply
    86,330.69x = 119,154.73 × 58,019.97
  4. Step 4: Simplify right side
    86,330.69x = 6,913,354,270.53
  5. Step 5: Solve for x
    x = 6,913,354,270.53/86,330.69
  6. Step 6: Final answer
    x = 80,079.92

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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.