Home / 91,088.27-136,636.50-27,903.78

Finding the Fourth Proportional to 91,088.27, 136,636.50 and 27,903.78

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Solution

The fourth proportional to 91,088.27, 136,636.50 and 27,903.78 is: 41,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,088.27 : 136,636.50 = 27,903.78 : x
  2. Step 2: Convert to fraction form
    91,088.27/136,636.50 = 27,903.78/x
  3. Step 3: Cross multiply
    91,088.27x = 136,636.50 × 27,903.78
  4. Step 4: Simplify right side
    91,088.27x = 3,812,674,835.97
  5. Step 5: Solve for x
    x = 3,812,674,835.97/91,088.27
  6. Step 6: Final answer
    x = 41,856.93

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1.5x scale

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.