Home / 86,459.60-119,321.16-48,737.36

Finding the Fourth Proportional to 86,459.60, 119,321.16 and 48,737.36

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Solution

The fourth proportional to 86,459.60, 119,321.16 and 48,737.36 is: 67,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,459.60 : 119,321.16 = 48,737.36 : x
  2. Step 2: Convert to fraction form
    86,459.60/119,321.16 = 48,737.36/x
  3. Step 3: Cross multiply
    86,459.60x = 119,321.16 × 48,737.36
  4. Step 4: Simplify right side
    86,459.60x = 5,815,398,330.54
  5. Step 5: Solve for x
    x = 5,815,398,330.54/86,459.60
  6. Step 6: Final answer
    x = 67,261.45

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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.