Home / 90,895.36-136,355.52-46,545.28

Finding the Fourth Proportional to 90,895.36, 136,355.52 and 46,545.28

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Solution

The fourth proportional to 90,895.36, 136,355.52 and 46,545.28 is: 69,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,895.36 : 136,355.52 = 46,545.28 : x
  2. Step 2: Convert to fraction form
    90,895.36/136,355.52 = 46,545.28/x
  3. Step 3: Cross multiply
    90,895.36x = 136,355.52 × 46,545.28
  4. Step 4: Simplify right side
    90,895.36x = 6,346,705,857.95
  5. Step 5: Solve for x
    x = 6,346,705,857.95/90,895.36
  6. Step 6: Final answer
    x = 69,824.31

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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.