Home / 55,355.44-76,390.10-31,482.08

Finding the Fourth Proportional to 55,355.44, 76,390.10 and 31,482.08

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Solution

The fourth proportional to 55,355.44, 76,390.10 and 31,482.08 is: 43,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.44 : 76,390.10 = 31,482.08 : x
  2. Step 2: Convert to fraction form
    55,355.44/76,390.10 = 31,482.08/x
  3. Step 3: Cross multiply
    55,355.44x = 76,390.10 × 31,482.08
  4. Step 4: Simplify right side
    55,355.44x = 2,404,919,272.97
  5. Step 5: Solve for x
    x = 2,404,919,272.97/55,355.44
  6. Step 6: Final answer
    x = 43,445.04

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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.