Home / 55,985.58-77,235.12-37,830.44

Finding the Fourth Proportional to 55,985.58, 77,235.12 and 37,830.44

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Solution

The fourth proportional to 55,985.58, 77,235.12 and 37,830.44 is: 52,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,985.58 : 77,235.12 = 37,830.44 : x
  2. Step 2: Convert to fraction form
    55,985.58/77,235.12 = 37,830.44/x
  3. Step 3: Cross multiply
    55,985.58x = 77,235.12 × 37,830.44
  4. Step 4: Simplify right side
    55,985.58x = 2,921,838,573.05
  5. Step 5: Solve for x
    x = 2,921,838,573.05/55,985.58
  6. Step 6: Final answer
    x = 52,189.13

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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.