Home / 90,928.16-136,474.80-46,585.52

Finding the Fourth Proportional to 90,928.16, 136,474.80 and 46,585.52

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Solution

The fourth proportional to 90,928.16, 136,474.80 and 46,585.52 is: 69,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,928.16 : 136,474.80 = 46,585.52 : x
  2. Step 2: Convert to fraction form
    90,928.16/136,474.80 = 46,585.52/x
  3. Step 3: Cross multiply
    90,928.16x = 136,474.80 × 46,585.52
  4. Step 4: Simplify right side
    90,928.16x = 6,357,749,524.90
  5. Step 5: Solve for x
    x = 6,357,749,524.90/90,928.16
  6. Step 6: Final answer
    x = 69,920.58

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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.