Home / 85,263.02-127,872.70-25,277.47

Finding the Fourth Proportional to 85,263.02, 127,872.70 and 25,277.47

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Solution

The fourth proportional to 85,263.02, 127,872.70 and 25,277.47 is: 37,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,263.02 : 127,872.70 = 25,277.47 : x
  2. Step 2: Convert to fraction form
    85,263.02/127,872.70 = 25,277.47/x
  3. Step 3: Cross multiply
    85,263.02x = 127,872.70 × 25,277.47
  4. Step 4: Simplify right side
    85,263.02x = 3,232,298,338.07
  5. Step 5: Solve for x
    x = 3,232,298,338.07/85,263.02
  6. Step 6: Final answer
    x = 37,909.73

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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.