Home / 76,280.40-114,420.60-23,695.20

Finding the Fourth Proportional to 76,280.40, 114,420.60 and 23,695.20

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Solution

The fourth proportional to 76,280.40, 114,420.60 and 23,695.20 is: 35,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,280.40 : 114,420.60 = 23,695.20 : x
  2. Step 2: Convert to fraction form
    76,280.40/114,420.60 = 23,695.20/x
  3. Step 3: Cross multiply
    76,280.40x = 114,420.60 × 23,695.20
  4. Step 4: Simplify right side
    76,280.40x = 2,711,219,001.12
  5. Step 5: Solve for x
    x = 2,711,219,001.12/76,280.40
  6. Step 6: Final answer
    x = 35,542.80

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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.