Home / 74,822.87-103,113.10-53,565.23

Finding the Fourth Proportional to 74,822.87, 103,113.10 and 53,565.23

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Solution

The fourth proportional to 74,822.87, 103,113.10 and 53,565.23 is: 73,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,822.87 : 103,113.10 = 53,565.23 : x
  2. Step 2: Convert to fraction form
    74,822.87/103,113.10 = 53,565.23/x
  3. Step 3: Cross multiply
    74,822.87x = 103,113.10 × 53,565.23
  4. Step 4: Simplify right side
    74,822.87x = 5,523,277,242.25
  5. Step 5: Solve for x
    x = 5,523,277,242.25/74,822.87
  6. Step 6: Final answer
    x = 73,818.03

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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.