Home / 78,409.04-108,180.63-44,412.12

Finding the Fourth Proportional to 78,409.04, 108,180.63 and 44,412.12

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Solution

The fourth proportional to 78,409.04, 108,180.63 and 44,412.12 is: 61,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,409.04 : 108,180.63 = 44,412.12 : x
  2. Step 2: Convert to fraction form
    78,409.04/108,180.63 = 44,412.12/x
  3. Step 3: Cross multiply
    78,409.04x = 108,180.63 × 44,412.12
  4. Step 4: Simplify right side
    78,409.04x = 4,804,531,121.24
  5. Step 5: Solve for x
    x = 4,804,531,121.24/78,409.04
  6. Step 6: Final answer
    x = 61,275.22

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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.