Home / 97,715.40-146,570.36-31,159.52

Finding the Fourth Proportional to 97,715.40, 146,570.36 and 31,159.52

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Solution

The fourth proportional to 97,715.40, 146,570.36 and 31,159.52 is: 46,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,715.40 : 146,570.36 = 31,159.52 : x
  2. Step 2: Convert to fraction form
    97,715.40/146,570.36 = 31,159.52/x
  3. Step 3: Cross multiply
    97,715.40x = 146,570.36 × 31,159.52
  4. Step 4: Simplify right side
    97,715.40x = 4,567,062,063.83
  5. Step 5: Solve for x
    x = 4,567,062,063.83/97,715.40
  6. Step 6: Final answer
    x = 46,738.41

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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.