Home / 56,012.52-77,245.34-40,881.23

Finding the Fourth Proportional to 56,012.52, 77,245.34 and 40,881.23

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Solution

The fourth proportional to 56,012.52, 77,245.34 and 40,881.23 is: 56,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012.52 : 77,245.34 = 40,881.23 : x
  2. Step 2: Convert to fraction form
    56,012.52/77,245.34 = 40,881.23/x
  3. Step 3: Cross multiply
    56,012.52x = 77,245.34 × 40,881.23
  4. Step 4: Simplify right side
    56,012.52x = 3,157,884,510.97
  5. Step 5: Solve for x
    x = 3,157,884,510.97/56,012.52
  6. Step 6: Final answer
    x = 56,378.19

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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.