Home / 86,441.60-119,299.20-48,719.36

Finding the Fourth Proportional to 86,441.60, 119,299.20 and 48,719.36

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Solution

The fourth proportional to 86,441.60, 119,299.20 and 48,719.36 is: 67,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,441.60 : 119,299.20 = 48,719.36 : x
  2. Step 2: Convert to fraction form
    86,441.60/119,299.20 = 48,719.36/x
  3. Step 3: Cross multiply
    86,441.60x = 119,299.20 × 48,719.36
  4. Step 4: Simplify right side
    86,441.60x = 5,812,180,672.51
  5. Step 5: Solve for x
    x = 5,812,180,672.51/86,441.60
  6. Step 6: Final answer
    x = 67,238.24

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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.