Home / 99,596.16-137,440.92-54,274.44

Finding the Fourth Proportional to 99,596.16, 137,440.92 and 54,274.44

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Solution

The fourth proportional to 99,596.16, 137,440.92 and 54,274.44 is: 74,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,596.16 : 137,440.92 = 54,274.44 : x
  2. Step 2: Convert to fraction form
    99,596.16/137,440.92 = 54,274.44/x
  3. Step 3: Cross multiply
    99,596.16x = 137,440.92 × 54,274.44
  4. Step 4: Simplify right side
    99,596.16x = 7,459,528,966.08
  5. Step 5: Solve for x
    x = 7,459,528,966.08/99,596.16
  6. Step 6: Final answer
    x = 74,897.76

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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.