Home / 88,030.54-131,980.14-52,961.98

Finding the Fourth Proportional to 88,030.54, 131,980.14 and 52,961.98

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Solution

The fourth proportional to 88,030.54, 131,980.14 and 52,961.98 is: 79,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030.54 : 131,980.14 = 52,961.98 : x
  2. Step 2: Convert to fraction form
    88,030.54/131,980.14 = 52,961.98/x
  3. Step 3: Cross multiply
    88,030.54x = 131,980.14 × 52,961.98
  4. Step 4: Simplify right side
    88,030.54x = 6,989,929,535.08
  5. Step 5: Solve for x
    x = 6,989,929,535.08/88,030.54
  6. Step 6: Final answer
    x = 79,403.46

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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.