Home / 54,885.09-75,702.15-35,729.58

Finding the Fourth Proportional to 54,885.09, 75,702.15 and 35,729.58

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Solution

The fourth proportional to 54,885.09, 75,702.15 and 35,729.58 is: 49,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.09 : 75,702.15 = 35,729.58 : x
  2. Step 2: Convert to fraction form
    54,885.09/75,702.15 = 35,729.58/x
  3. Step 3: Cross multiply
    54,885.09x = 75,702.15 × 35,729.58
  4. Step 4: Simplify right side
    54,885.09x = 2,704,806,024.60
  5. Step 5: Solve for x
    x = 2,704,806,024.60/54,885.09
  6. Step 6: Final answer
    x = 49,281.25

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1.5x scale

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.