Home / 86,269.31-119,041.29-48,019.69

Finding the Fourth Proportional to 86,269.31, 119,041.29 and 48,019.69

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Solution

The fourth proportional to 86,269.31, 119,041.29 and 48,019.69 is: 66,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,269.31 : 119,041.29 = 48,019.69 : x
  2. Step 2: Convert to fraction form
    86,269.31/119,041.29 = 48,019.69/x
  3. Step 3: Cross multiply
    86,269.31x = 119,041.29 × 48,019.69
  4. Step 4: Simplify right side
    86,269.31x = 5,716,325,545.40
  5. Step 5: Solve for x
    x = 5,716,325,545.40/86,269.31
  6. Step 6: Final answer
    x = 66,261.41

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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.