Home / 86,391.18-119,219.31-48,677.58

Finding the Fourth Proportional to 86,391.18, 119,219.31 and 48,677.58

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Solution

The fourth proportional to 86,391.18, 119,219.31 and 48,677.58 is: 67,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,391.18 : 119,219.31 = 48,677.58 : x
  2. Step 2: Convert to fraction form
    86,391.18/119,219.31 = 48,677.58/x
  3. Step 3: Cross multiply
    86,391.18x = 119,219.31 × 48,677.58
  4. Step 4: Simplify right side
    86,391.18x = 5,803,307,500.07
  5. Step 5: Solve for x
    x = 5,803,307,500.07/86,391.18
  6. Step 6: Final answer
    x = 67,174.77

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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.