Home / 58,763.36-81,159.60-39,867.68

Finding the Fourth Proportional to 58,763.36, 81,159.60 and 39,867.68

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Solution

The fourth proportional to 58,763.36, 81,159.60 and 39,867.68 is: 55,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,763.36 : 81,159.60 = 39,867.68 : x
  2. Step 2: Convert to fraction form
    58,763.36/81,159.60 = 39,867.68/x
  3. Step 3: Cross multiply
    58,763.36x = 81,159.60 × 39,867.68
  4. Step 4: Simplify right side
    58,763.36x = 3,235,644,961.73
  5. Step 5: Solve for x
    x = 3,235,644,961.73/58,763.36
  6. Step 6: Final answer
    x = 55,062.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.