Home / 86,239.39-119,014.28-48,001.38

Finding the Fourth Proportional to 86,239.39, 119,014.28 and 48,001.38

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Solution

The fourth proportional to 86,239.39, 119,014.28 and 48,001.38 is: 66,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,239.39 : 119,014.28 = 48,001.38 : x
  2. Step 2: Convert to fraction form
    86,239.39/119,014.28 = 48,001.38/x
  3. Step 3: Cross multiply
    86,239.39x = 119,014.28 × 48,001.38
  4. Step 4: Simplify right side
    86,239.39x = 5,712,849,679.71
  5. Step 5: Solve for x
    x = 5,712,849,679.71/86,239.39
  6. Step 6: Final answer
    x = 66,244.09

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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.