Home / 112,710.66-155,538.81-62,408.58

Finding the Fourth Proportional to 112,710.66, 155,538.81 and 62,408.58

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Solution

The fourth proportional to 112,710.66, 155,538.81 and 62,408.58 is: 86,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,710.66 : 155,538.81 = 62,408.58 : x
  2. Step 2: Convert to fraction form
    112,710.66/155,538.81 = 62,408.58/x
  3. Step 3: Cross multiply
    112,710.66x = 155,538.81 × 62,408.58
  4. Step 4: Simplify right side
    112,710.66x = 9,706,956,266.99
  5. Step 5: Solve for x
    x = 9,706,956,266.99/112,710.66
  6. Step 6: Final answer
    x = 86,122.79

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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.