Home / 75,569.60-113,354.40-70,961.60

Finding the Fourth Proportional to 75,569.60, 113,354.40 and 70,961.60

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Solution

The fourth proportional to 75,569.60, 113,354.40 and 70,961.60 is: 106,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,569.60 : 113,354.40 = 70,961.60 : x
  2. Step 2: Convert to fraction form
    75,569.60/113,354.40 = 70,961.60/x
  3. Step 3: Cross multiply
    75,569.60x = 113,354.40 × 70,961.60
  4. Step 4: Simplify right side
    75,569.60x = 8,043,809,591.04
  5. Step 5: Solve for x
    x = 8,043,809,591.04/75,569.60
  6. Step 6: Final answer
    x = 106,442.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.