Home / 78,330.64-108,098.11-46,499.66

Finding the Fourth Proportional to 78,330.64, 108,098.11 and 46,499.66

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Solution

The fourth proportional to 78,330.64, 108,098.11 and 46,499.66 is: 64,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,330.64 : 108,098.11 = 46,499.66 : x
  2. Step 2: Convert to fraction form
    78,330.64/108,098.11 = 46,499.66/x
  3. Step 3: Cross multiply
    78,330.64x = 108,098.11 × 46,499.66
  4. Step 4: Simplify right side
    78,330.64x = 5,026,525,361.64
  5. Step 5: Solve for x
    x = 5,026,525,361.64/78,330.64
  6. Step 6: Final answer
    x = 64,170.62

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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.