Home / 90,856.41-136,312.53-46,514.29

Finding the Fourth Proportional to 90,856.41, 136,312.53 and 46,514.29

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Solution

The fourth proportional to 90,856.41, 136,312.53 and 46,514.29 is: 69,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,856.41 : 136,312.53 = 46,514.29 : x
  2. Step 2: Convert to fraction form
    90,856.41/136,312.53 = 46,514.29/x
  3. Step 3: Cross multiply
    90,856.41x = 136,312.53 × 46,514.29
  4. Step 4: Simplify right side
    90,856.41x = 6,340,480,035.84
  5. Step 5: Solve for x
    x = 6,340,480,035.84/90,856.41
  6. Step 6: Final answer
    x = 69,785.72

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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.