Home / 69,102.77-103,528.40-47,998.22

Finding the Fourth Proportional to 69,102.77, 103,528.40 and 47,998.22

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Solution

The fourth proportional to 69,102.77, 103,528.40 and 47,998.22 is: 71,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,102.77 : 103,528.40 = 47,998.22 : x
  2. Step 2: Convert to fraction form
    69,102.77/103,528.40 = 47,998.22/x
  3. Step 3: Cross multiply
    69,102.77x = 103,528.40 × 47,998.22
  4. Step 4: Simplify right side
    69,102.77x = 4,969,178,161.81
  5. Step 5: Solve for x
    x = 4,969,178,161.81/69,102.77
  6. Step 6: Final answer
    x = 71,909.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.