Home / 74,865.47-103,360.99-47,656.92

Finding the Fourth Proportional to 74,865.47, 103,360.99 and 47,656.92

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Solution

The fourth proportional to 74,865.47, 103,360.99 and 47,656.92 is: 65,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,865.47 : 103,360.99 = 47,656.92 : x
  2. Step 2: Convert to fraction form
    74,865.47/103,360.99 = 47,656.92/x
  3. Step 3: Cross multiply
    74,865.47x = 103,360.99 × 47,656.92
  4. Step 4: Simplify right side
    74,865.47x = 4,925,865,783.23
  5. Step 5: Solve for x
    x = 4,925,865,783.23/74,865.47
  6. Step 6: Final answer
    x = 65,796.23

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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.