Home / 111,502.95-167,313.98-52,339.15

Finding the Fourth Proportional to 111,502.95, 167,313.98 and 52,339.15

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Solution

The fourth proportional to 111,502.95, 167,313.98 and 52,339.15 is: 78,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,502.95 : 167,313.98 = 52,339.15 : x
  2. Step 2: Convert to fraction form
    111,502.95/167,313.98 = 52,339.15/x
  3. Step 3: Cross multiply
    111,502.95x = 167,313.98 × 52,339.15
  4. Step 4: Simplify right side
    111,502.95x = 8,757,071,496.32
  5. Step 5: Solve for x
    x = 8,757,071,496.32/111,502.95
  6. Step 6: Final answer
    x = 78,536.68

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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.