Home / 78,570.84-108,430.02-44,117.04

Finding the Fourth Proportional to 78,570.84, 108,430.02 and 44,117.04

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Solution

The fourth proportional to 78,570.84, 108,430.02 and 44,117.04 is: 60,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,570.84 : 108,430.02 = 44,117.04 : x
  2. Step 2: Convert to fraction form
    78,570.84/108,430.02 = 44,117.04/x
  3. Step 3: Cross multiply
    78,570.84x = 108,430.02 × 44,117.04
  4. Step 4: Simplify right side
    78,570.84x = 4,783,611,529.54
  5. Step 5: Solve for x
    x = 4,783,611,529.54/78,570.84
  6. Step 6: Final answer
    x = 60,882.78

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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.