Home / 94,947.52-142,420.02-28,388.20

Finding the Fourth Proportional to 94,947.52, 142,420.02 and 28,388.20

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Solution

The fourth proportional to 94,947.52, 142,420.02 and 28,388.20 is: 42,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,947.52 : 142,420.02 = 28,388.20 : x
  2. Step 2: Convert to fraction form
    94,947.52/142,420.02 = 28,388.20/x
  3. Step 3: Cross multiply
    94,947.52x = 142,420.02 × 28,388.20
  4. Step 4: Simplify right side
    94,947.52x = 4,043,048,011.76
  5. Step 5: Solve for x
    x = 4,043,048,011.76/94,947.52
  6. Step 6: Final answer
    x = 42,581.92

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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.