Home / 55,882.15-77,116.23-30,389.02

Finding the Fourth Proportional to 55,882.15, 77,116.23 and 30,389.02

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Solution

The fourth proportional to 55,882.15, 77,116.23 and 30,389.02 is: 41,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,882.15 : 77,116.23 = 30,389.02 : x
  2. Step 2: Convert to fraction form
    55,882.15/77,116.23 = 30,389.02/x
  3. Step 3: Cross multiply
    55,882.15x = 77,116.23 × 30,389.02
  4. Step 4: Simplify right side
    55,882.15x = 2,343,486,655.79
  5. Step 5: Solve for x
    x = 2,343,486,655.79/55,882.15
  6. Step 6: Final answer
    x = 41,936.23

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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.