Home / 99,236.42-137,017.71-61,047.30

Finding the Fourth Proportional to 99,236.42, 137,017.71 and 61,047.30

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Solution

The fourth proportional to 99,236.42, 137,017.71 and 61,047.30 is: 84,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,236.42 : 137,017.71 = 61,047.30 : x
  2. Step 2: Convert to fraction form
    99,236.42/137,017.71 = 61,047.30/x
  3. Step 3: Cross multiply
    99,236.42x = 137,017.71 × 61,047.30
  4. Step 4: Simplify right side
    99,236.42x = 8,364,561,247.68
  5. Step 5: Solve for x
    x = 8,364,561,247.68/99,236.42
  6. Step 6: Final answer
    x = 84,289.23

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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.