Home / 86,768.10-130,152.15-24,438.60

Finding the Fourth Proportional to 86,768.10, 130,152.15 and 24,438.60

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Solution

The fourth proportional to 86,768.10, 130,152.15 and 24,438.60 is: 36,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768.10 : 130,152.15 = 24,438.60 : x
  2. Step 2: Convert to fraction form
    86,768.10/130,152.15 = 24,438.60/x
  3. Step 3: Cross multiply
    86,768.10x = 130,152.15 × 24,438.60
  4. Step 4: Simplify right side
    86,768.10x = 3,180,736,332.99
  5. Step 5: Solve for x
    x = 3,180,736,332.99/86,768.10
  6. Step 6: Final answer
    x = 36,657.90

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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.