Home / 58,799.58-81,063.07-40,402.12

Finding the Fourth Proportional to 58,799.58, 81,063.07 and 40,402.12

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Solution

The fourth proportional to 58,799.58, 81,063.07 and 40,402.12 is: 55,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,799.58 : 81,063.07 = 40,402.12 : x
  2. Step 2: Convert to fraction form
    58,799.58/81,063.07 = 40,402.12/x
  3. Step 3: Cross multiply
    58,799.58x = 81,063.07 × 40,402.12
  4. Step 4: Simplify right side
    58,799.58x = 3,275,119,881.71
  5. Step 5: Solve for x
    x = 3,275,119,881.71/58,799.58
  6. Step 6: Final answer
    x = 55,699.72

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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.