Home / 63,839.36-88,015.96-52,311.40

Finding the Fourth Proportional to 63,839.36, 88,015.96 and 52,311.40

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Solution

The fourth proportional to 63,839.36, 88,015.96 and 52,311.40 is: 72,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,839.36 : 88,015.96 = 52,311.40 : x
  2. Step 2: Convert to fraction form
    63,839.36/88,015.96 = 52,311.40/x
  3. Step 3: Cross multiply
    63,839.36x = 88,015.96 × 52,311.40
  4. Step 4: Simplify right side
    63,839.36x = 4,604,238,089.94
  5. Step 5: Solve for x
    x = 4,604,238,089.94/63,839.36
  6. Step 6: Final answer
    x = 72,122.25

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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.