Home / 72,934.08-100,551.54-54,707.32

Finding the Fourth Proportional to 72,934.08, 100,551.54 and 54,707.32

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Solution

The fourth proportional to 72,934.08, 100,551.54 and 54,707.32 is: 75,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,934.08 : 100,551.54 = 54,707.32 : x
  2. Step 2: Convert to fraction form
    72,934.08/100,551.54 = 54,707.32/x
  3. Step 3: Cross multiply
    72,934.08x = 100,551.54 × 54,707.32
  4. Step 4: Simplify right side
    72,934.08x = 5,500,905,275.27
  5. Step 5: Solve for x
    x = 5,500,905,275.27/72,934.08
  6. Step 6: Final answer
    x = 75,422.97

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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.