Home / 74,904.30-112,405.05-43,314.30

Finding the Fourth Proportional to 74,904.30, 112,405.05 and 43,314.30

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Solution

The fourth proportional to 74,904.30, 112,405.05 and 43,314.30 is: 64,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904.30 : 112,405.05 = 43,314.30 : x
  2. Step 2: Convert to fraction form
    74,904.30/112,405.05 = 43,314.30/x
  3. Step 3: Cross multiply
    74,904.30x = 112,405.05 × 43,314.30
  4. Step 4: Simplify right side
    74,904.30x = 4,868,746,057.22
  5. Step 5: Solve for x
    x = 4,868,746,057.22/74,904.30
  6. Step 6: Final answer
    x = 64,999.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.