Home / 90,734.48-136,129.35-46,392.38

Finding the Fourth Proportional to 90,734.48, 136,129.35 and 46,392.38

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Solution

The fourth proportional to 90,734.48, 136,129.35 and 46,392.38 is: 69,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.48 : 136,129.35 = 46,392.38 : x
  2. Step 2: Convert to fraction form
    90,734.48/136,129.35 = 46,392.38/x
  3. Step 3: Cross multiply
    90,734.48x = 136,129.35 × 46,392.38
  4. Step 4: Simplify right side
    90,734.48x = 6,315,363,853.71
  5. Step 5: Solve for x
    x = 6,315,363,853.71/90,734.48
  6. Step 6: Final answer
    x = 69,602.69

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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.