Home / 61,836.06-85,309.40-37,921.21

Finding the Fourth Proportional to 61,836.06, 85,309.40 and 37,921.21

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Solution

The fourth proportional to 61,836.06, 85,309.40 and 37,921.21 is: 52,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,836.06 : 85,309.40 = 37,921.21 : x
  2. Step 2: Convert to fraction form
    61,836.06/85,309.40 = 37,921.21/x
  3. Step 3: Cross multiply
    61,836.06x = 85,309.40 × 37,921.21
  4. Step 4: Simplify right side
    61,836.06x = 3,235,036,033.77
  5. Step 5: Solve for x
    x = 3,235,036,033.77/61,836.06
  6. Step 6: Final answer
    x = 52,316.34

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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.