Home / 85,087.58-127,631.34-22,756.46

Finding the Fourth Proportional to 85,087.58, 127,631.34 and 22,756.46

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Solution

The fourth proportional to 85,087.58, 127,631.34 and 22,756.46 is: 34,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,087.58 : 127,631.34 = 22,756.46 : x
  2. Step 2: Convert to fraction form
    85,087.58/127,631.34 = 22,756.46/x
  3. Step 3: Cross multiply
    85,087.58x = 127,631.34 × 22,756.46
  4. Step 4: Simplify right side
    85,087.58x = 2,904,437,483.46
  5. Step 5: Solve for x
    x = 2,904,437,483.46/85,087.58
  6. Step 6: Final answer
    x = 34,134.68

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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.