Home / 88,078.50-121,540.30-52,262.34

Finding the Fourth Proportional to 88,078.50, 121,540.30 and 52,262.34

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Solution

The fourth proportional to 88,078.50, 121,540.30 and 52,262.34 is: 72,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,078.50 : 121,540.30 = 52,262.34 : x
  2. Step 2: Convert to fraction form
    88,078.50/121,540.30 = 52,262.34/x
  3. Step 3: Cross multiply
    88,078.50x = 121,540.30 × 52,262.34
  4. Step 4: Simplify right side
    88,078.50x = 6,351,980,482.30
  5. Step 5: Solve for x
    x = 6,351,980,482.30/88,078.50
  6. Step 6: Final answer
    x = 72,117.26

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1.5x scale

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.