Home / 86,330.67-119,154.71-58,019.95

Finding the Fourth Proportional to 86,330.67, 119,154.71 and 58,019.95

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Solution

The fourth proportional to 86,330.67, 119,154.71 and 58,019.95 is: 80,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,330.67 : 119,154.71 = 58,019.95 : x
  2. Step 2: Convert to fraction form
    86,330.67/119,154.71 = 58,019.95/x
  3. Step 3: Cross multiply
    86,330.67x = 119,154.71 × 58,019.95
  4. Step 4: Simplify right side
    86,330.67x = 6,913,350,316.46
  5. Step 5: Solve for x
    x = 6,913,350,316.46/86,330.67
  6. Step 6: Final answer
    x = 80,079.89

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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.