Home / 69,946.79-104,881.30-28,345.19

Finding the Fourth Proportional to 69,946.79, 104,881.30 and 28,345.19

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Solution

The fourth proportional to 69,946.79, 104,881.30 and 28,345.19 is: 42,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,946.79 : 104,881.30 = 28,345.19 : x
  2. Step 2: Convert to fraction form
    69,946.79/104,881.30 = 28,345.19/x
  3. Step 3: Cross multiply
    69,946.79x = 104,881.30 × 28,345.19
  4. Step 4: Simplify right side
    69,946.79x = 2,972,879,780.68
  5. Step 5: Solve for x
    x = 2,972,879,780.68/69,946.79
  6. Step 6: Final answer
    x = 42,502.02

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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.