Home / 55,398.02-83,097.16-22,120.78

Finding the Fourth Proportional to 55,398.02, 83,097.16 and 22,120.78

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Solution

The fourth proportional to 55,398.02, 83,097.16 and 22,120.78 is: 33,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398.02 : 83,097.16 = 22,120.78 : x
  2. Step 2: Convert to fraction form
    55,398.02/83,097.16 = 22,120.78/x
  3. Step 3: Cross multiply
    55,398.02x = 83,097.16 × 22,120.78
  4. Step 4: Simplify right side
    55,398.02x = 1,838,173,994.98
  5. Step 5: Solve for x
    x = 1,838,173,994.98/55,398.02
  6. Step 6: Final answer
    x = 33,181.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.