Home / 112,425.84-155,157.48-62,134.56

Finding the Fourth Proportional to 112,425.84, 155,157.48 and 62,134.56

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Solution

The fourth proportional to 112,425.84, 155,157.48 and 62,134.56 is: 85,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,425.84 : 155,157.48 = 62,134.56 : x
  2. Step 2: Convert to fraction form
    112,425.84/155,157.48 = 62,134.56/x
  3. Step 3: Cross multiply
    112,425.84x = 155,157.48 × 62,134.56
  4. Step 4: Simplify right side
    112,425.84x = 9,640,641,750.51
  5. Step 5: Solve for x
    x = 9,640,641,750.51/112,425.84
  6. Step 6: Final answer
    x = 85,751.12

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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.