Home / 90,734.97-136,130.10-46,392.87

Finding the Fourth Proportional to 90,734.97, 136,130.10 and 46,392.87

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Solution

The fourth proportional to 90,734.97, 136,130.10 and 46,392.87 is: 69,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.97 : 136,130.10 = 46,392.87 : x
  2. Step 2: Convert to fraction form
    90,734.97/136,130.10 = 46,392.87/x
  3. Step 3: Cross multiply
    90,734.97x = 136,130.10 × 46,392.87
  4. Step 4: Simplify right side
    90,734.97x = 6,315,466,032.39
  5. Step 5: Solve for x
    x = 6,315,466,032.39/90,734.97
  6. Step 6: Final answer
    x = 69,603.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.