Home / 88,030.40-131,851.20-46,428.80

Finding the Fourth Proportional to 88,030.40, 131,851.20 and 46,428.80

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Solution

The fourth proportional to 88,030.40, 131,851.20 and 46,428.80 is: 69,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030.40 : 131,851.20 = 46,428.80 : x
  2. Step 2: Convert to fraction form
    88,030.40/131,851.20 = 46,428.80/x
  3. Step 3: Cross multiply
    88,030.40x = 131,851.20 × 46,428.80
  4. Step 4: Simplify right side
    88,030.40x = 6,121,692,994.56
  5. Step 5: Solve for x
    x = 6,121,692,994.56/88,030.40
  6. Step 6: Final answer
    x = 69,540.67

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1.5x scale

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.