Home / 56,190.12-77,541.07-30,696.59

Finding the Fourth Proportional to 56,190.12, 77,541.07 and 30,696.59

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Solution

The fourth proportional to 56,190.12, 77,541.07 and 30,696.59 is: 42,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,190.12 : 77,541.07 = 30,696.59 : x
  2. Step 2: Convert to fraction form
    56,190.12/77,541.07 = 30,696.59/x
  3. Step 3: Cross multiply
    56,190.12x = 77,541.07 × 30,696.59
  4. Step 4: Simplify right side
    56,190.12x = 2,380,246,433.95
  5. Step 5: Solve for x
    x = 2,380,246,433.95/56,190.12
  6. Step 6: Final answer
    x = 42,360.59

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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.