Home / 56,891.16-78,465.31-36,750.11

Finding the Fourth Proportional to 56,891.16, 78,465.31 and 36,750.11

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Solution

The fourth proportional to 56,891.16, 78,465.31 and 36,750.11 is: 50,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,891.16 : 78,465.31 = 36,750.11 : x
  2. Step 2: Convert to fraction form
    56,891.16/78,465.31 = 36,750.11/x
  3. Step 3: Cross multiply
    56,891.16x = 78,465.31 × 36,750.11
  4. Step 4: Simplify right side
    56,891.16x = 2,883,608,289.48
  5. Step 5: Solve for x
    x = 2,883,608,289.48/56,891.16
  6. Step 6: Final answer
    x = 50,686.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.