Home / 63,031.10-86,986.16-34,736.79

Finding the Fourth Proportional to 63,031.10, 86,986.16 and 34,736.79

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Solution

The fourth proportional to 63,031.10, 86,986.16 and 34,736.79 is: 47,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.10 : 86,986.16 = 34,736.79 : x
  2. Step 2: Convert to fraction form
    63,031.10/86,986.16 = 34,736.79/x
  3. Step 3: Cross multiply
    63,031.10x = 86,986.16 × 34,736.79
  4. Step 4: Simplify right side
    63,031.10x = 3,021,619,364.21
  5. Step 5: Solve for x
    x = 3,021,619,364.21/63,031.10
  6. Step 6: Final answer
    x = 47,938.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.