Home / 83,126.84-114,715.80-47,319.17

Finding the Fourth Proportional to 83,126.84, 114,715.80 and 47,319.17

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Solution

The fourth proportional to 83,126.84, 114,715.80 and 47,319.17 is: 65,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,126.84 : 114,715.80 = 47,319.17 : x
  2. Step 2: Convert to fraction form
    83,126.84/114,715.80 = 47,319.17/x
  3. Step 3: Cross multiply
    83,126.84x = 114,715.80 × 47,319.17
  4. Step 4: Simplify right side
    83,126.84x = 5,428,256,728.68
  5. Step 5: Solve for x
    x = 5,428,256,728.68/83,126.84
  6. Step 6: Final answer
    x = 65,300.89

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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.