Home / 58,743.64-88,140.83-21,309.02

Finding the Fourth Proportional to 58,743.64, 88,140.83 and 21,309.02

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Solution

The fourth proportional to 58,743.64, 88,140.83 and 21,309.02 is: 31,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,743.64 : 88,140.83 = 21,309.02 : x
  2. Step 2: Convert to fraction form
    58,743.64/88,140.83 = 21,309.02/x
  3. Step 3: Cross multiply
    58,743.64x = 88,140.83 × 21,309.02
  4. Step 4: Simplify right side
    58,743.64x = 1,878,194,162.04
  5. Step 5: Solve for x
    x = 1,878,194,162.04/58,743.64
  6. Step 6: Final answer
    x = 31,972.72

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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.