Home / 85,071.98-127,598.22-22,747.34

Finding the Fourth Proportional to 85,071.98, 127,598.22 and 22,747.34

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Solution

The fourth proportional to 85,071.98, 127,598.22 and 22,747.34 is: 34,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.98 : 127,598.22 = 22,747.34 : x
  2. Step 2: Convert to fraction form
    85,071.98/127,598.22 = 22,747.34/x
  3. Step 3: Cross multiply
    85,071.98x = 127,598.22 × 22,747.34
  4. Step 4: Simplify right side
    85,071.98x = 2,902,519,455.74
  5. Step 5: Solve for x
    x = 2,902,519,455.74/85,071.98
  6. Step 6: Final answer
    x = 34,118.40

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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.