Home / 51,281.80-70,738.32-37,887.64

Finding the Fourth Proportional to 51,281.80, 70,738.32 and 37,887.64

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Solution

The fourth proportional to 51,281.80, 70,738.32 and 37,887.64 is: 52,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281.80 : 70,738.32 = 37,887.64 : x
  2. Step 2: Convert to fraction form
    51,281.80/70,738.32 = 37,887.64/x
  3. Step 3: Cross multiply
    51,281.80x = 70,738.32 × 37,887.64
  4. Step 4: Simplify right side
    51,281.80x = 2,680,108,002.36
  5. Step 5: Solve for x
    x = 2,680,108,002.36/51,281.80
  6. Step 6: Final answer
    x = 52,262.36

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1.5x scale

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.