Home / 90,759.48-136,166.88-46,417.38

Finding the Fourth Proportional to 90,759.48, 136,166.88 and 46,417.38

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Solution

The fourth proportional to 90,759.48, 136,166.88 and 46,417.38 is: 69,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,759.48 : 136,166.88 = 46,417.38 : x
  2. Step 2: Convert to fraction form
    90,759.48/136,166.88 = 46,417.38/x
  3. Step 3: Cross multiply
    90,759.48x = 136,166.88 × 46,417.38
  4. Step 4: Simplify right side
    90,759.48x = 6,320,509,812.37
  5. Step 5: Solve for x
    x = 6,320,509,812.37/90,759.48
  6. Step 6: Final answer
    x = 69,640.22

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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.