Home / 55,355.38-76,390.01-31,482.02

Finding the Fourth Proportional to 55,355.38, 76,390.01 and 31,482.02

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Solution

The fourth proportional to 55,355.38, 76,390.01 and 31,482.02 is: 43,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.38 : 76,390.01 = 31,482.02 : x
  2. Step 2: Convert to fraction form
    55,355.38/76,390.01 = 31,482.02/x
  3. Step 3: Cross multiply
    55,355.38x = 76,390.01 × 31,482.02
  4. Step 4: Simplify right side
    55,355.38x = 2,404,911,822.62
  5. Step 5: Solve for x
    x = 2,404,911,822.62/55,355.38
  6. Step 6: Final answer
    x = 43,444.95

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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.