Home / 99,466.26-137,263.05-54,146.76

Finding the Fourth Proportional to 99,466.26, 137,263.05 and 54,146.76

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Solution

The fourth proportional to 99,466.26, 137,263.05 and 54,146.76 is: 74,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,466.26 : 137,263.05 = 54,146.76 : x
  2. Step 2: Convert to fraction form
    99,466.26/137,263.05 = 54,146.76/x
  3. Step 3: Cross multiply
    99,466.26x = 137,263.05 × 54,146.76
  4. Step 4: Simplify right side
    99,466.26x = 7,432,349,425.22
  5. Step 5: Solve for x
    x = 7,432,349,425.22/99,466.26
  6. Step 6: Final answer
    x = 74,722.32

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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.