Home / 51,877.84-71,440.67-45,068.75

Finding the Fourth Proportional to 51,877.84, 71,440.67 and 45,068.75

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Solution

The fourth proportional to 51,877.84, 71,440.67 and 45,068.75 is: 62,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,877.84 : 71,440.67 = 45,068.75 : x
  2. Step 2: Convert to fraction form
    51,877.84/71,440.67 = 45,068.75/x
  3. Step 3: Cross multiply
    51,877.84x = 71,440.67 × 45,068.75
  4. Step 4: Simplify right side
    51,877.84x = 3,219,741,696.06
  5. Step 5: Solve for x
    x = 3,219,741,696.06/51,877.84
  6. Step 6: Final answer
    x = 62,063.91

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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.