Home / 69,206.60-103,637.10-45,705.80

Finding the Fourth Proportional to 69,206.60, 103,637.10 and 45,705.80

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Solution

The fourth proportional to 69,206.60, 103,637.10 and 45,705.80 is: 68,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,206.60 : 103,637.10 = 45,705.80 : x
  2. Step 2: Convert to fraction form
    69,206.60/103,637.10 = 45,705.80/x
  3. Step 3: Cross multiply
    69,206.60x = 103,637.10 × 45,705.80
  4. Step 4: Simplify right side
    69,206.60x = 4,736,816,565.18
  5. Step 5: Solve for x
    x = 4,736,816,565.18/69,206.60
  6. Step 6: Final answer
    x = 68,444.58

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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.