Home / 112,808.84-155,682.42-62,506.76

Finding the Fourth Proportional to 112,808.84, 155,682.42 and 62,506.76

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Solution

The fourth proportional to 112,808.84, 155,682.42 and 62,506.76 is: 86,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,808.84 : 155,682.42 = 62,506.76 : x
  2. Step 2: Convert to fraction form
    112,808.84/155,682.42 = 62,506.76/x
  3. Step 3: Cross multiply
    112,808.84x = 155,682.42 × 62,506.76
  4. Step 4: Simplify right side
    112,808.84x = 9,731,203,663.16
  5. Step 5: Solve for x
    x = 9,731,203,663.16/112,808.84
  6. Step 6: Final answer
    x = 86,262.78

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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.