Home / 88,985.50-122,799.97-48,699.28

Finding the Fourth Proportional to 88,985.50, 122,799.97 and 48,699.28

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Solution

The fourth proportional to 88,985.50, 122,799.97 and 48,699.28 is: 67,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,985.50 : 122,799.97 = 48,699.28 : x
  2. Step 2: Convert to fraction form
    88,985.50/122,799.97 = 48,699.28/x
  3. Step 3: Cross multiply
    88,985.50x = 122,799.97 × 48,699.28
  4. Step 4: Simplify right side
    88,985.50x = 5,980,270,123.02
  5. Step 5: Solve for x
    x = 5,980,270,123.02/88,985.50
  6. Step 6: Final answer
    x = 67,205.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.