Home / 112,633.75-155,439.45-62,332.75

Finding the Fourth Proportional to 112,633.75, 155,439.45 and 62,332.75

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Solution

The fourth proportional to 112,633.75, 155,439.45 and 62,332.75 is: 86,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,633.75 : 155,439.45 = 62,332.75 : x
  2. Step 2: Convert to fraction form
    112,633.75/155,439.45 = 62,332.75/x
  3. Step 3: Cross multiply
    112,633.75x = 155,439.45 × 62,332.75
  4. Step 4: Simplify right side
    112,633.75x = 9,688,968,376.99
  5. Step 5: Solve for x
    x = 9,688,968,376.99/112,633.75
  6. Step 6: Final answer
    x = 86,021.89

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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.