Home / 72,283.71-108,431.04-22,368.86

Finding the Fourth Proportional to 72,283.71, 108,431.04 and 22,368.86

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Solution

The fourth proportional to 72,283.71, 108,431.04 and 22,368.86 is: 33,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,283.71 : 108,431.04 = 22,368.86 : x
  2. Step 2: Convert to fraction form
    72,283.71/108,431.04 = 22,368.86/x
  3. Step 3: Cross multiply
    72,283.71x = 108,431.04 × 22,368.86
  4. Step 4: Simplify right side
    72,283.71x = 2,425,478,211.26
  5. Step 5: Solve for x
    x = 2,425,478,211.26/72,283.71
  6. Step 6: Final answer
    x = 33,554.98

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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.