Home / 56,641.63-78,159.38-32,763.84

Finding the Fourth Proportional to 56,641.63, 78,159.38 and 32,763.84

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Solution

The fourth proportional to 56,641.63, 78,159.38 and 32,763.84 is: 45,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,641.63 : 78,159.38 = 32,763.84 : x
  2. Step 2: Convert to fraction form
    56,641.63/78,159.38 = 32,763.84/x
  3. Step 3: Cross multiply
    56,641.63x = 78,159.38 × 32,763.84
  4. Step 4: Simplify right side
    56,641.63x = 2,560,801,587.85
  5. Step 5: Solve for x
    x = 2,560,801,587.85/56,641.63
  6. Step 6: Final answer
    x = 45,210.59

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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.