Home / 112,769.83-155,622.36-62,468.83

Finding the Fourth Proportional to 112,769.83, 155,622.36 and 62,468.83

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Solution

The fourth proportional to 112,769.83, 155,622.36 and 62,468.83 is: 86,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,769.83 : 155,622.36 = 62,468.83 : x
  2. Step 2: Convert to fraction form
    112,769.83/155,622.36 = 62,468.83/x
  3. Step 3: Cross multiply
    112,769.83x = 155,622.36 × 62,468.83
  4. Step 4: Simplify right side
    112,769.83x = 9,721,546,751.04
  5. Step 5: Solve for x
    x = 9,721,546,751.04/112,769.83
  6. Step 6: Final answer
    x = 86,206.98

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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.