Home / 62,829.61-94,258.32-20,722.70

Finding the Fourth Proportional to 62,829.61, 94,258.32 and 20,722.70

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Solution

The fourth proportional to 62,829.61, 94,258.32 and 20,722.70 is: 31,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,829.61 : 94,258.32 = 20,722.70 : x
  2. Step 2: Convert to fraction form
    62,829.61/94,258.32 = 20,722.70/x
  3. Step 3: Cross multiply
    62,829.61x = 94,258.32 × 20,722.70
  4. Step 4: Simplify right side
    62,829.61x = 1,953,287,045.80
  5. Step 5: Solve for x
    x = 1,953,287,045.80/62,829.61
  6. Step 6: Final answer
    x = 31,088.64

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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.