Home / 58,747.16-81,068.90-31,889.10

Finding the Fourth Proportional to 58,747.16, 81,068.90 and 31,889.10

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Solution

The fourth proportional to 58,747.16, 81,068.90 and 31,889.10 is: 44,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,747.16 : 81,068.90 = 31,889.10 : x
  2. Step 2: Convert to fraction form
    58,747.16/81,068.90 = 31,889.10/x
  3. Step 3: Cross multiply
    58,747.16x = 81,068.90 × 31,889.10
  4. Step 4: Simplify right side
    58,747.16x = 2,585,214,258.99
  5. Step 5: Solve for x
    x = 2,585,214,258.99/58,747.16
  6. Step 6: Final answer
    x = 44,005.77

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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.