Home / 72,249.04-99,660.36-45,753.04

Finding the Fourth Proportional to 72,249.04, 99,660.36 and 45,753.04

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Solution

The fourth proportional to 72,249.04, 99,660.36 and 45,753.04 is: 63,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,249.04 : 99,660.36 = 45,753.04 : x
  2. Step 2: Convert to fraction form
    72,249.04/99,660.36 = 45,753.04/x
  3. Step 3: Cross multiply
    72,249.04x = 99,660.36 × 45,753.04
  4. Step 4: Simplify right side
    72,249.04x = 4,559,764,437.49
  5. Step 5: Solve for x
    x = 4,559,764,437.49/72,249.04
  6. Step 6: Final answer
    x = 63,111.77

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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.