Home / 52,560.18-78,798.42-30,348.36

Finding the Fourth Proportional to 52,560.18, 78,798.42 and 30,348.36

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Solution

The fourth proportional to 52,560.18, 78,798.42 and 30,348.36 is: 45,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,560.18 : 78,798.42 = 30,348.36 : x
  2. Step 2: Convert to fraction form
    52,560.18/78,798.42 = 30,348.36/x
  3. Step 3: Cross multiply
    52,560.18x = 78,798.42 × 30,348.36
  4. Step 4: Simplify right side
    52,560.18x = 2,391,402,817.59
  5. Step 5: Solve for x
    x = 2,391,402,817.59/52,560.18
  6. Step 6: Final answer
    x = 45,498.38

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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.