Home / 62,362.16-93,543.36-20,809.28

Finding the Fourth Proportional to 62,362.16, 93,543.36 and 20,809.28

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Solution

The fourth proportional to 62,362.16, 93,543.36 and 20,809.28 is: 31,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,362.16 : 93,543.36 = 20,809.28 : x
  2. Step 2: Convert to fraction form
    62,362.16/93,543.36 = 20,809.28/x
  3. Step 3: Cross multiply
    62,362.16x = 93,543.36 × 20,809.28
  4. Step 4: Simplify right side
    62,362.16x = 1,946,569,970.38
  5. Step 5: Solve for x
    x = 1,946,569,970.38/62,362.16
  6. Step 6: Final answer
    x = 31,213.96

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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.