Home / 88,981.65-133,470.93-22,420.31

Finding the Fourth Proportional to 88,981.65, 133,470.93 and 22,420.31

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Solution

The fourth proportional to 88,981.65, 133,470.93 and 22,420.31 is: 33,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,981.65 : 133,470.93 = 22,420.31 : x
  2. Step 2: Convert to fraction form
    88,981.65/133,470.93 = 22,420.31/x
  3. Step 3: Cross multiply
    88,981.65x = 133,470.93 × 22,420.31
  4. Step 4: Simplify right side
    88,981.65x = 2,992,458,875.16
  5. Step 5: Solve for x
    x = 2,992,458,875.16/88,981.65
  6. Step 6: Final answer
    x = 33,630.07

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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.