Home / 58,715.86-81,095.19-38,662.39

Finding the Fourth Proportional to 58,715.86, 81,095.19 and 38,662.39

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Solution

The fourth proportional to 58,715.86, 81,095.19 and 38,662.39 is: 53,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,715.86 : 81,095.19 = 38,662.39 : x
  2. Step 2: Convert to fraction form
    58,715.86/81,095.19 = 38,662.39/x
  3. Step 3: Cross multiply
    58,715.86x = 81,095.19 × 38,662.39
  4. Step 4: Simplify right side
    58,715.86x = 3,135,333,862.90
  5. Step 5: Solve for x
    x = 3,135,333,862.90/58,715.86
  6. Step 6: Final answer
    x = 53,398.42

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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.