Home / 72,984.16-100,569.36-50,330.08

Finding the Fourth Proportional to 72,984.16, 100,569.36 and 50,330.08

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Solution

The fourth proportional to 72,984.16, 100,569.36 and 50,330.08 is: 69,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,984.16 : 100,569.36 = 50,330.08 : x
  2. Step 2: Convert to fraction form
    72,984.16/100,569.36 = 50,330.08/x
  3. Step 3: Cross multiply
    72,984.16x = 100,569.36 × 50,330.08
  4. Step 4: Simplify right side
    72,984.16x = 5,061,663,934.35
  5. Step 5: Solve for x
    x = 5,061,663,934.35/72,984.16
  6. Step 6: Final answer
    x = 69,352.91

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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.