Home / 56,204.26-77,430.15-39,177.55

Finding the Fourth Proportional to 56,204.26, 77,430.15 and 39,177.55

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Solution

The fourth proportional to 56,204.26, 77,430.15 and 39,177.55 is: 53,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,204.26 : 77,430.15 = 39,177.55 : x
  2. Step 2: Convert to fraction form
    56,204.26/77,430.15 = 39,177.55/x
  3. Step 3: Cross multiply
    56,204.26x = 77,430.15 × 39,177.55
  4. Step 4: Simplify right side
    56,204.26x = 3,033,523,573.13
  5. Step 5: Solve for x
    x = 3,033,523,573.13/56,204.26
  6. Step 6: Final answer
    x = 53,973.20

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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.