Home / 72,470.89-108,582.40-56,669.82

Finding the Fourth Proportional to 72,470.89, 108,582.40 and 56,669.82

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Solution

The fourth proportional to 72,470.89, 108,582.40 and 56,669.82 is: 84,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,470.89 : 108,582.40 = 56,669.82 : x
  2. Step 2: Convert to fraction form
    72,470.89/108,582.40 = 56,669.82/x
  3. Step 3: Cross multiply
    72,470.89x = 108,582.40 × 56,669.82
  4. Step 4: Simplify right side
    72,470.89x = 6,153,345,063.17
  5. Step 5: Solve for x
    x = 6,153,345,063.17/72,470.89
  6. Step 6: Final answer
    x = 84,907.82

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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.