Home / 85,279.62-127,897.59-25,294.05

Finding the Fourth Proportional to 85,279.62, 127,897.59 and 25,294.05

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Solution

The fourth proportional to 85,279.62, 127,897.59 and 25,294.05 is: 37,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,279.62 : 127,897.59 = 25,294.05 : x
  2. Step 2: Convert to fraction form
    85,279.62/127,897.59 = 25,294.05/x
  3. Step 3: Cross multiply
    85,279.62x = 127,897.59 × 25,294.05
  4. Step 4: Simplify right side
    85,279.62x = 3,235,048,036.34
  5. Step 5: Solve for x
    x = 3,235,048,036.34/85,279.62
  6. Step 6: Final answer
    x = 37,934.60

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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.