Home / 57,731.01-86,436.74-29,590.40

Finding the Fourth Proportional to 57,731.01, 86,436.74 and 29,590.40

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Solution

The fourth proportional to 57,731.01, 86,436.74 and 29,590.40 is: 44,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.01 : 86,436.74 = 29,590.40 : x
  2. Step 2: Convert to fraction form
    57,731.01/86,436.74 = 29,590.40/x
  3. Step 3: Cross multiply
    57,731.01x = 86,436.74 × 29,590.40
  4. Step 4: Simplify right side
    57,731.01x = 2,557,697,131.16
  5. Step 5: Solve for x
    x = 2,557,697,131.16/57,731.01
  6. Step 6: Final answer
    x = 44,303.70

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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.