Home / 74,923.60-112,385.40-35,557.60

Finding the Fourth Proportional to 74,923.60, 112,385.40 and 35,557.60

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Solution

The fourth proportional to 74,923.60, 112,385.40 and 35,557.60 is: 53,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.60 : 112,385.40 = 35,557.60 : x
  2. Step 2: Convert to fraction form
    74,923.60/112,385.40 = 35,557.60/x
  3. Step 3: Cross multiply
    74,923.60x = 112,385.40 × 35,557.60
  4. Step 4: Simplify right side
    74,923.60x = 3,996,155,099.04
  5. Step 5: Solve for x
    x = 3,996,155,099.04/74,923.60
  6. Step 6: Final answer
    x = 53,336.40

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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.