Home / 105,730.28-158,595.69-35,658.80

Finding the Fourth Proportional to 105,730.28, 158,595.69 and 35,658.80

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Solution

The fourth proportional to 105,730.28, 158,595.69 and 35,658.80 is: 53,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,730.28 : 158,595.69 = 35,658.80 : x
  2. Step 2: Convert to fraction form
    105,730.28/158,595.69 = 35,658.80/x
  3. Step 3: Cross multiply
    105,730.28x = 158,595.69 × 35,658.80
  4. Step 4: Simplify right side
    105,730.28x = 5,655,331,990.57
  5. Step 5: Solve for x
    x = 5,655,331,990.57/105,730.28
  6. Step 6: Final answer
    x = 53,488.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.