Home / 74,225.60-111,338.40-48,856.40

Finding the Fourth Proportional to 74,225.60, 111,338.40 and 48,856.40

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Solution

The fourth proportional to 74,225.60, 111,338.40 and 48,856.40 is: 73,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,225.60 : 111,338.40 = 48,856.40 : x
  2. Step 2: Convert to fraction form
    74,225.60/111,338.40 = 48,856.40/x
  3. Step 3: Cross multiply
    74,225.60x = 111,338.40 × 48,856.40
  4. Step 4: Simplify right side
    74,225.60x = 5,439,593,405.76
  5. Step 5: Solve for x
    x = 5,439,593,405.76/74,225.60
  6. Step 6: Final answer
    x = 73,284.60

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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.