Home / 63,033.66-87,111.86-51,685.56

Finding the Fourth Proportional to 63,033.66, 87,111.86 and 51,685.56

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Solution

The fourth proportional to 63,033.66, 87,111.86 and 51,685.56 is: 71,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,033.66 : 87,111.86 = 51,685.56 : x
  2. Step 2: Convert to fraction form
    63,033.66/87,111.86 = 51,685.56/x
  3. Step 3: Cross multiply
    63,033.66x = 87,111.86 × 51,685.56
  4. Step 4: Simplify right side
    63,033.66x = 4,502,425,008.31
  5. Step 5: Solve for x
    x = 4,502,425,008.31/63,033.66
  6. Step 6: Final answer
    x = 71,428.90

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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.