Home / 83,140.05-124,728.51-23,971.11

Finding the Fourth Proportional to 83,140.05, 124,728.51 and 23,971.11

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Solution

The fourth proportional to 83,140.05, 124,728.51 and 23,971.11 is: 35,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140.05 : 124,728.51 = 23,971.11 : x
  2. Step 2: Convert to fraction form
    83,140.05/124,728.51 = 23,971.11/x
  3. Step 3: Cross multiply
    83,140.05x = 124,728.51 × 23,971.11
  4. Step 4: Simplify right side
    83,140.05x = 2,989,880,833.35
  5. Step 5: Solve for x
    x = 2,989,880,833.35/83,140.05
  6. Step 6: Final answer
    x = 35,961.98

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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.