Home / 55,983.16-77,255.22-30,832.12

Finding the Fourth Proportional to 55,983.16, 77,255.22 and 30,832.12

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Solution

The fourth proportional to 55,983.16, 77,255.22 and 30,832.12 is: 42,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,983.16 : 77,255.22 = 30,832.12 : x
  2. Step 2: Convert to fraction form
    55,983.16/77,255.22 = 30,832.12/x
  3. Step 3: Cross multiply
    55,983.16x = 77,255.22 × 30,832.12
  4. Step 4: Simplify right side
    55,983.16x = 2,381,942,213.67
  5. Step 5: Solve for x
    x = 2,381,942,213.67/55,983.16
  6. Step 6: Final answer
    x = 42,547.48

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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.