Home / 86,309.04-119,174.04-67,499.76

Finding the Fourth Proportional to 86,309.04, 119,174.04 and 67,499.76

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Solution

The fourth proportional to 86,309.04, 119,174.04 and 67,499.76 is: 93,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,309.04 : 119,174.04 = 67,499.76 : x
  2. Step 2: Convert to fraction form
    86,309.04/119,174.04 = 67,499.76/x
  3. Step 3: Cross multiply
    86,309.04x = 119,174.04 × 67,499.76
  4. Step 4: Simplify right side
    86,309.04x = 8,044,219,098.23
  5. Step 5: Solve for x
    x = 8,044,219,098.23/86,309.04
  6. Step 6: Final answer
    x = 93,202.51

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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.