Home / 70,840.27-97,727.95-47,862.68

Finding the Fourth Proportional to 70,840.27, 97,727.95 and 47,862.68

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Solution

The fourth proportional to 70,840.27, 97,727.95 and 47,862.68 is: 66,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,840.27 : 97,727.95 = 47,862.68 : x
  2. Step 2: Convert to fraction form
    70,840.27/97,727.95 = 47,862.68/x
  3. Step 3: Cross multiply
    70,840.27x = 97,727.95 × 47,862.68
  4. Step 4: Simplify right side
    70,840.27x = 4,677,520,899.87
  5. Step 5: Solve for x
    x = 4,677,520,899.87/70,840.27
  6. Step 6: Final answer
    x = 66,029.12

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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.