Home / 86,235.30-119,003.45-48,509.55

Finding the Fourth Proportional to 86,235.30, 119,003.45 and 48,509.55

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Solution

The fourth proportional to 86,235.30, 119,003.45 and 48,509.55 is: 66,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,235.30 : 119,003.45 = 48,509.55 : x
  2. Step 2: Convert to fraction form
    86,235.30/119,003.45 = 48,509.55/x
  3. Step 3: Cross multiply
    86,235.30x = 119,003.45 × 48,509.55
  4. Step 4: Simplify right side
    86,235.30x = 5,772,803,565.40
  5. Step 5: Solve for x
    x = 5,772,803,565.40/86,235.30
  6. Step 6: Final answer
    x = 66,942.47

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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.