Home / 97,696.40-146,541.86-31,140.52

Finding the Fourth Proportional to 97,696.40, 146,541.86 and 31,140.52

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Solution

The fourth proportional to 97,696.40, 146,541.86 and 31,140.52 is: 46,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,696.40 : 146,541.86 = 31,140.52 : x
  2. Step 2: Convert to fraction form
    97,696.40/146,541.86 = 31,140.52/x
  3. Step 3: Cross multiply
    97,696.40x = 146,541.86 × 31,140.52
  4. Step 4: Simplify right side
    97,696.40x = 4,563,389,722.17
  5. Step 5: Solve for x
    x = 4,563,389,722.17/97,696.40
  6. Step 6: Final answer
    x = 46,709.91

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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.