Home / 63,033.40-86,985.94-34,739.08

Finding the Fourth Proportional to 63,033.40, 86,985.94 and 34,739.08

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Solution

The fourth proportional to 63,033.40, 86,985.94 and 34,739.08 is: 47,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,033.40 : 86,985.94 = 34,739.08 : x
  2. Step 2: Convert to fraction form
    63,033.40/86,985.94 = 34,739.08/x
  3. Step 3: Cross multiply
    63,033.40x = 86,985.94 × 34,739.08
  4. Step 4: Simplify right side
    63,033.40x = 3,021,811,528.54
  5. Step 5: Solve for x
    x = 3,021,811,528.54/63,033.40
  6. Step 6: Final answer
    x = 47,939.85

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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.