Home / 55,152.10-82,762.35-28,875.70

Finding the Fourth Proportional to 55,152.10, 82,762.35 and 28,875.70

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Solution

The fourth proportional to 55,152.10, 82,762.35 and 28,875.70 is: 43,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,152.10 : 82,762.35 = 28,875.70 : x
  2. Step 2: Convert to fraction form
    55,152.10/82,762.35 = 28,875.70/x
  3. Step 3: Cross multiply
    55,152.10x = 82,762.35 × 28,875.70
  4. Step 4: Simplify right side
    55,152.10x = 2,389,820,789.90
  5. Step 5: Solve for x
    x = 2,389,820,789.90/55,152.10
  6. Step 6: Final answer
    x = 43,331.46

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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.