Home / 84,390.18-116,460.48-48,090.86

Finding the Fourth Proportional to 84,390.18, 116,460.48 and 48,090.86

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Solution

The fourth proportional to 84,390.18, 116,460.48 and 48,090.86 is: 66,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,390.18 : 116,460.48 = 48,090.86 : x
  2. Step 2: Convert to fraction form
    84,390.18/116,460.48 = 48,090.86/x
  3. Step 3: Cross multiply
    84,390.18x = 116,460.48 × 48,090.86
  4. Step 4: Simplify right side
    84,390.18x = 5,600,684,639.21
  5. Step 5: Solve for x
    x = 5,600,684,639.21/84,390.18
  6. Step 6: Final answer
    x = 66,366.54

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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.