Home / 70,887.27-97,827.74-42,200.43

Finding the Fourth Proportional to 70,887.27, 97,827.74 and 42,200.43

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Solution

The fourth proportional to 70,887.27, 97,827.74 and 42,200.43 is: 58,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,887.27 : 97,827.74 = 42,200.43 : x
  2. Step 2: Convert to fraction form
    70,887.27/97,827.74 = 42,200.43/x
  3. Step 3: Cross multiply
    70,887.27x = 97,827.74 × 42,200.43
  4. Step 4: Simplify right side
    70,887.27x = 4,128,372,482.93
  5. Step 5: Solve for x
    x = 4,128,372,482.93/70,887.27
  6. Step 6: Final answer
    x = 58,238.56

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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.