Home / 86,442.60-119,300.58-48,720.36

Finding the Fourth Proportional to 86,442.60, 119,300.58 and 48,720.36

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Solution

The fourth proportional to 86,442.60, 119,300.58 and 48,720.36 is: 67,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,442.60 : 119,300.58 = 48,720.36 : x
  2. Step 2: Convert to fraction form
    86,442.60/119,300.58 = 48,720.36/x
  3. Step 3: Cross multiply
    86,442.60x = 119,300.58 × 48,720.36
  4. Step 4: Simplify right side
    86,442.60x = 5,812,367,205.81
  5. Step 5: Solve for x
    x = 5,812,367,205.81/86,442.60
  6. Step 6: Final answer
    x = 67,239.62

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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.