Home / 55,442.42-76,511.28-31,569.19

Finding the Fourth Proportional to 55,442.42, 76,511.28 and 31,569.19

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Solution

The fourth proportional to 55,442.42, 76,511.28 and 31,569.19 is: 43,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,442.42 : 76,511.28 = 31,569.19 : x
  2. Step 2: Convert to fraction form
    55,442.42/76,511.28 = 31,569.19/x
  3. Step 3: Cross multiply
    55,442.42x = 76,511.28 × 31,569.19
  4. Step 4: Simplify right side
    55,442.42x = 2,415,399,492.95
  5. Step 5: Solve for x
    x = 2,415,399,492.95/55,442.42
  6. Step 6: Final answer
    x = 43,565.91

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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.