Home / 53,405.60-73,701.28-29,207.98

Finding the Fourth Proportional to 53,405.60, 73,701.28 and 29,207.98

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Solution

The fourth proportional to 53,405.60, 73,701.28 and 29,207.98 is: 40,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,405.60 : 73,701.28 = 29,207.98 : x
  2. Step 2: Convert to fraction form
    53,405.60/73,701.28 = 29,207.98/x
  3. Step 3: Cross multiply
    53,405.60x = 73,701.28 × 29,207.98
  4. Step 4: Simplify right side
    53,405.60x = 2,152,665,512.21
  5. Step 5: Solve for x
    x = 2,152,665,512.21/53,405.60
  6. Step 6: Final answer
    x = 40,307.86

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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.