Home / 45,316.57-67,981.77-23,117.84

Finding the Fourth Proportional to 45,316.57, 67,981.77 and 23,117.84

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Solution

The fourth proportional to 45,316.57, 67,981.77 and 23,117.84 is: 34,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,316.57 : 67,981.77 = 23,117.84 : x
  2. Step 2: Convert to fraction form
    45,316.57/67,981.77 = 23,117.84/x
  3. Step 3: Cross multiply
    45,316.57x = 67,981.77 × 23,117.84
  4. Step 4: Simplify right side
    45,316.57x = 1,571,591,510.11
  5. Step 5: Solve for x
    x = 1,571,591,510.11/45,316.57
  6. Step 6: Final answer
    x = 34,680.28

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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.