Home / 56,180.91-77,560.80-38,302.19

Finding the Fourth Proportional to 56,180.91, 77,560.80 and 38,302.19

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Solution

The fourth proportional to 56,180.91, 77,560.80 and 38,302.19 is: 52,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,180.91 : 77,560.80 = 38,302.19 : x
  2. Step 2: Convert to fraction form
    56,180.91/77,560.80 = 38,302.19/x
  3. Step 3: Cross multiply
    56,180.91x = 77,560.80 × 38,302.19
  4. Step 4: Simplify right side
    56,180.91x = 2,970,748,110.35
  5. Step 5: Solve for x
    x = 2,970,748,110.35/56,180.91
  6. Step 6: Final answer
    x = 52,878.25

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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.