Home / 112,725.25-155,560.89-62,424.25

Finding the Fourth Proportional to 112,725.25, 155,560.89 and 62,424.25

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Solution

The fourth proportional to 112,725.25, 155,560.89 and 62,424.25 is: 86,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,725.25 : 155,560.89 = 62,424.25 : x
  2. Step 2: Convert to fraction form
    112,725.25/155,560.89 = 62,424.25/x
  3. Step 3: Cross multiply
    112,725.25x = 155,560.89 × 62,424.25
  4. Step 4: Simplify right side
    112,725.25x = 9,710,771,887.58
  5. Step 5: Solve for x
    x = 9,710,771,887.58/112,725.25
  6. Step 6: Final answer
    x = 86,145.49

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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.