Home / 72,276.48-99,753.12-43,977.24

Finding the Fourth Proportional to 72,276.48, 99,753.12 and 43,977.24

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Solution

The fourth proportional to 72,276.48, 99,753.12 and 43,977.24 is: 60,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,276.48 : 99,753.12 = 43,977.24 : x
  2. Step 2: Convert to fraction form
    72,276.48/99,753.12 = 43,977.24/x
  3. Step 3: Cross multiply
    72,276.48x = 99,753.12 × 43,977.24
  4. Step 4: Simplify right side
    72,276.48x = 4,386,866,898.99
  5. Step 5: Solve for x
    x = 4,386,866,898.99/72,276.48
  6. Step 6: Final answer
    x = 60,695.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.