Home / 52,253.16-78,426.90-35,345.28

Finding the Fourth Proportional to 52,253.16, 78,426.90 and 35,345.28

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Solution

The fourth proportional to 52,253.16, 78,426.90 and 35,345.28 is: 53,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,253.16 : 78,426.90 = 35,345.28 : x
  2. Step 2: Convert to fraction form
    52,253.16/78,426.90 = 35,345.28/x
  3. Step 3: Cross multiply
    52,253.16x = 78,426.90 × 35,345.28
  4. Step 4: Simplify right side
    52,253.16x = 2,772,020,740.03
  5. Step 5: Solve for x
    x = 2,772,020,740.03/52,253.16
  6. Step 6: Final answer
    x = 53,049.82

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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.