Home / 52,444.28-78,555.49-42,405.95

Finding the Fourth Proportional to 52,444.28, 78,555.49 and 42,405.95

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Solution

The fourth proportional to 52,444.28, 78,555.49 and 42,405.95 is: 63,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,444.28 : 78,555.49 = 42,405.95 : x
  2. Step 2: Convert to fraction form
    52,444.28/78,555.49 = 42,405.95/x
  3. Step 3: Cross multiply
    52,444.28x = 78,555.49 × 42,405.95
  4. Step 4: Simplify right side
    52,444.28x = 3,331,220,271.54
  5. Step 5: Solve for x
    x = 3,331,220,271.54/52,444.28
  6. Step 6: Final answer
    x = 63,519.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.