Home / 91,037.93-136,628.33-63,154.17

Finding the Fourth Proportional to 91,037.93, 136,628.33 and 63,154.17

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Solution

The fourth proportional to 91,037.93, 136,628.33 and 63,154.17 is: 94,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,037.93 : 136,628.33 = 63,154.17 : x
  2. Step 2: Convert to fraction form
    91,037.93/136,628.33 = 63,154.17/x
  3. Step 3: Cross multiply
    91,037.93x = 136,628.33 × 63,154.17
  4. Step 4: Simplify right side
    91,037.93x = 8,628,648,463.87
  5. Step 5: Solve for x
    x = 8,628,648,463.87/91,037.93
  6. Step 6: Final answer
    x = 94,780.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.