Home / 65,827.24-90,809.40-43,156.24

Finding the Fourth Proportional to 65,827.24, 90,809.40 and 43,156.24

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Solution

The fourth proportional to 65,827.24, 90,809.40 and 43,156.24 is: 59,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827.24 : 90,809.40 = 43,156.24 : x
  2. Step 2: Convert to fraction form
    65,827.24/90,809.40 = 43,156.24/x
  3. Step 3: Cross multiply
    65,827.24x = 90,809.40 × 43,156.24
  4. Step 4: Simplify right side
    65,827.24x = 3,918,992,260.66
  5. Step 5: Solve for x
    x = 3,918,992,260.66/65,827.24
  6. Step 6: Final answer
    x = 59,534.51

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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.