Home / 112,725.75-155,561.58-62,424.75

Finding the Fourth Proportional to 112,725.75, 155,561.58 and 62,424.75

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Solution

The fourth proportional to 112,725.75, 155,561.58 and 62,424.75 is: 86,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,725.75 : 155,561.58 = 62,424.75 : x
  2. Step 2: Convert to fraction form
    112,725.75/155,561.58 = 62,424.75/x
  3. Step 3: Cross multiply
    112,725.75x = 155,561.58 × 62,424.75
  4. Step 4: Simplify right side
    112,725.75x = 9,710,892,741.11
  5. Step 5: Solve for x
    x = 9,710,892,741.11/112,725.75
  6. Step 6: Final answer
    x = 86,146.18

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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.