Home / 85,347.72-127,944.14-29,913.48

Finding the Fourth Proportional to 85,347.72, 127,944.14 and 29,913.48

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Solution

The fourth proportional to 85,347.72, 127,944.14 and 29,913.48 is: 44,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,347.72 : 127,944.14 = 29,913.48 : x
  2. Step 2: Convert to fraction form
    85,347.72/127,944.14 = 29,913.48/x
  3. Step 3: Cross multiply
    85,347.72x = 127,944.14 × 29,913.48
  4. Step 4: Simplify right side
    85,347.72x = 3,827,254,473.01
  5. Step 5: Solve for x
    x = 3,827,254,473.01/85,347.72
  6. Step 6: Final answer
    x = 44,843.08

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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.