Home / 92,947.22-128,266.72-52,660.91

Finding the Fourth Proportional to 92,947.22, 128,266.72 and 52,660.91

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Solution

The fourth proportional to 92,947.22, 128,266.72 and 52,660.91 is: 72,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,947.22 : 128,266.72 = 52,660.91 : x
  2. Step 2: Convert to fraction form
    92,947.22/128,266.72 = 52,660.91/x
  3. Step 3: Cross multiply
    92,947.22x = 128,266.72 × 52,660.91
  4. Step 4: Simplify right side
    92,947.22x = 6,754,641,961.65
  5. Step 5: Solve for x
    x = 6,754,641,961.65/92,947.22
  6. Step 6: Final answer
    x = 72,671.80

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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.