Home / 56,593.05-78,071.51-40,686.75

Finding the Fourth Proportional to 56,593.05, 78,071.51 and 40,686.75

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Solution

The fourth proportional to 56,593.05, 78,071.51 and 40,686.75 is: 56,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,593.05 : 78,071.51 = 40,686.75 : x
  2. Step 2: Convert to fraction form
    56,593.05/78,071.51 = 40,686.75/x
  3. Step 3: Cross multiply
    56,593.05x = 78,071.51 × 40,686.75
  4. Step 4: Simplify right side
    56,593.05x = 3,176,475,806.06
  5. Step 5: Solve for x
    x = 3,176,475,806.06/56,593.05
  6. Step 6: Final answer
    x = 56,128.37

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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.