Home / 85,211.10-127,805.45-26,052.70

Finding the Fourth Proportional to 85,211.10, 127,805.45 and 26,052.70

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Solution

The fourth proportional to 85,211.10, 127,805.45 and 26,052.70 is: 39,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,211.10 : 127,805.45 = 26,052.70 : x
  2. Step 2: Convert to fraction form
    85,211.10/127,805.45 = 26,052.70/x
  3. Step 3: Cross multiply
    85,211.10x = 127,805.45 × 26,052.70
  4. Step 4: Simplify right side
    85,211.10x = 3,329,677,047.22
  5. Step 5: Solve for x
    x = 3,329,677,047.22/85,211.10
  6. Step 6: Final answer
    x = 39,075.63

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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.