Home / 53,729.16-74,146.98-29,855.40

Finding the Fourth Proportional to 53,729.16, 74,146.98 and 29,855.40

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Solution

The fourth proportional to 53,729.16, 74,146.98 and 29,855.40 is: 41,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,729.16 : 74,146.98 = 29,855.40 : x
  2. Step 2: Convert to fraction form
    53,729.16/74,146.98 = 29,855.40/x
  3. Step 3: Cross multiply
    53,729.16x = 74,146.98 × 29,855.40
  4. Step 4: Simplify right side
    53,729.16x = 2,213,687,746.69
  5. Step 5: Solve for x
    x = 2,213,687,746.69/53,729.16
  6. Step 6: Final answer
    x = 41,200.86

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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.