Home / 58,558.43-80,809.67-31,700.70

Finding the Fourth Proportional to 58,558.43, 80,809.67 and 31,700.70

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Solution

The fourth proportional to 58,558.43, 80,809.67 and 31,700.70 is: 43,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,558.43 : 80,809.67 = 31,700.70 : x
  2. Step 2: Convert to fraction form
    58,558.43/80,809.67 = 31,700.70/x
  3. Step 3: Cross multiply
    58,558.43x = 80,809.67 × 31,700.70
  4. Step 4: Simplify right side
    58,558.43x = 2,561,722,947.27
  5. Step 5: Solve for x
    x = 2,561,722,947.27/58,558.43
  6. Step 6: Final answer
    x = 43,746.45

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1.5x scale

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.