Home / 88,095.48-121,572.66-47,809.58

Finding the Fourth Proportional to 88,095.48, 121,572.66 and 47,809.58

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Solution

The fourth proportional to 88,095.48, 121,572.66 and 47,809.58 is: 65,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.48 : 121,572.66 = 47,809.58 : x
  2. Step 2: Convert to fraction form
    88,095.48/121,572.66 = 47,809.58/x
  3. Step 3: Cross multiply
    88,095.48x = 121,572.66 × 47,809.58
  4. Step 4: Simplify right side
    88,095.48x = 5,812,337,814.08
  5. Step 5: Solve for x
    x = 5,812,337,814.08/88,095.48
  6. Step 6: Final answer
    x = 65,977.71

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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.