Home / 59,079.20-81,947.06-56,951.40

Finding the Fourth Proportional to 59,079.20, 81,947.06 and 56,951.40

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Solution

The fourth proportional to 59,079.20, 81,947.06 and 56,951.40 is: 78,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,079.20 : 81,947.06 = 56,951.40 : x
  2. Step 2: Convert to fraction form
    59,079.20/81,947.06 = 56,951.40/x
  3. Step 3: Cross multiply
    59,079.20x = 81,947.06 × 56,951.40
  4. Step 4: Simplify right side
    59,079.20x = 4,666,999,792.88
  5. Step 5: Solve for x
    x = 4,666,999,792.88/59,079.20
  6. Step 6: Final answer
    x = 78,995.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.