Home / 84,865.02-117,117.43-47,139.27

Finding the Fourth Proportional to 84,865.02, 117,117.43 and 47,139.27

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Solution

The fourth proportional to 84,865.02, 117,117.43 and 47,139.27 is: 65,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,865.02 : 117,117.43 = 47,139.27 : x
  2. Step 2: Convert to fraction form
    84,865.02/117,117.43 = 47,139.27/x
  3. Step 3: Cross multiply
    84,865.02x = 117,117.43 × 47,139.27
  4. Step 4: Simplify right side
    84,865.02x = 5,520,829,568.89
  5. Step 5: Solve for x
    x = 5,520,829,568.89/84,865.02
  6. Step 6: Final answer
    x = 65,054.25

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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.