Home / 64,785.42-97,094.70-31,440.96

Finding the Fourth Proportional to 64,785.42, 97,094.70 and 31,440.96

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Solution

The fourth proportional to 64,785.42, 97,094.70 and 31,440.96 is: 47,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,785.42 : 97,094.70 = 31,440.96 : x
  2. Step 2: Convert to fraction form
    64,785.42/97,094.70 = 31,440.96/x
  3. Step 3: Cross multiply
    64,785.42x = 97,094.70 × 31,440.96
  4. Step 4: Simplify right side
    64,785.42x = 3,052,750,578.91
  5. Step 5: Solve for x
    x = 3,052,750,578.91/64,785.42
  6. Step 6: Final answer
    x = 47,120.95

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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.