Home / 55,363.95-76,380.21-34,106.31

Finding the Fourth Proportional to 55,363.95, 76,380.21 and 34,106.31

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Solution

The fourth proportional to 55,363.95, 76,380.21 and 34,106.31 is: 47,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.95 : 76,380.21 = 34,106.31 : x
  2. Step 2: Convert to fraction form
    55,363.95/76,380.21 = 34,106.31/x
  3. Step 3: Cross multiply
    55,363.95x = 76,380.21 × 34,106.31
  4. Step 4: Simplify right side
    55,363.95x = 2,605,047,120.13
  5. Step 5: Solve for x
    x = 2,605,047,120.13/55,363.95
  6. Step 6: Final answer
    x = 47,053.13

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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.