Home / 56,340.12-77,748.60-30,846.16

Finding the Fourth Proportional to 56,340.12, 77,748.60 and 30,846.16

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Solution

The fourth proportional to 56,340.12, 77,748.60 and 30,846.16 is: 42,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,340.12 : 77,748.60 = 30,846.16 : x
  2. Step 2: Convert to fraction form
    56,340.12/77,748.60 = 30,846.16/x
  3. Step 3: Cross multiply
    56,340.12x = 77,748.60 × 30,846.16
  4. Step 4: Simplify right side
    56,340.12x = 2,398,245,755.38
  5. Step 5: Solve for x
    x = 2,398,245,755.38/56,340.12
  6. Step 6: Final answer
    x = 42,567.28

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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.