Home / 55,575.16-76,697.98-31,702.36

Finding the Fourth Proportional to 55,575.16, 76,697.98 and 31,702.36

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Solution

The fourth proportional to 55,575.16, 76,697.98 and 31,702.36 is: 43,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.16 : 76,697.98 = 31,702.36 : x
  2. Step 2: Convert to fraction form
    55,575.16/76,697.98 = 31,702.36/x
  3. Step 3: Cross multiply
    55,575.16x = 76,697.98 × 31,702.36
  4. Step 4: Simplify right side
    55,575.16x = 2,431,506,973.23
  5. Step 5: Solve for x
    x = 2,431,506,973.23/55,575.16
  6. Step 6: Final answer
    x = 43,751.69

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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.