Home / 66,725.10-92,079.79-36,510.08

Finding the Fourth Proportional to 66,725.10, 92,079.79 and 36,510.08

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Solution

The fourth proportional to 66,725.10, 92,079.79 and 36,510.08 is: 50,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725.10 : 92,079.79 = 36,510.08 : x
  2. Step 2: Convert to fraction form
    66,725.10/92,079.79 = 36,510.08/x
  3. Step 3: Cross multiply
    66,725.10x = 92,079.79 × 36,510.08
  4. Step 4: Simplify right side
    66,725.10x = 3,361,839,947.61
  5. Step 5: Solve for x
    x = 3,361,839,947.61/66,725.10
  6. Step 6: Final answer
    x = 50,383.44

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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.