Home / 88,260.45-121,830.65-52,450.03

Finding the Fourth Proportional to 88,260.45, 121,830.65 and 52,450.03

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Solution

The fourth proportional to 88,260.45, 121,830.65 and 52,450.03 is: 72,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,260.45 : 121,830.65 = 52,450.03 : x
  2. Step 2: Convert to fraction form
    88,260.45/121,830.65 = 52,450.03/x
  3. Step 3: Cross multiply
    88,260.45x = 121,830.65 × 52,450.03
  4. Step 4: Simplify right side
    88,260.45x = 6,390,021,444.78
  5. Step 5: Solve for x
    x = 6,390,021,444.78/88,260.45
  6. Step 6: Final answer
    x = 72,399.60

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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.