Home / 77,532.96-107,036.12-52,172.67

Finding the Fourth Proportional to 77,532.96, 107,036.12 and 52,172.67

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Solution

The fourth proportional to 77,532.96, 107,036.12 and 52,172.67 is: 72,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,532.96 : 107,036.12 = 52,172.67 : x
  2. Step 2: Convert to fraction form
    77,532.96/107,036.12 = 52,172.67/x
  3. Step 3: Cross multiply
    77,532.96x = 107,036.12 × 52,172.67
  4. Step 4: Simplify right side
    77,532.96x = 5,584,360,297.27
  5. Step 5: Solve for x
    x = 5,584,360,297.27/77,532.96
  6. Step 6: Final answer
    x = 72,025.63

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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.