Home / 72,878.28-100,597.19-42,673.32

Finding the Fourth Proportional to 72,878.28, 100,597.19 and 42,673.32

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Solution

The fourth proportional to 72,878.28, 100,597.19 and 42,673.32 is: 58,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,878.28 : 100,597.19 = 42,673.32 : x
  2. Step 2: Convert to fraction form
    72,878.28/100,597.19 = 42,673.32/x
  3. Step 3: Cross multiply
    72,878.28x = 100,597.19 × 42,673.32
  4. Step 4: Simplify right side
    72,878.28x = 4,292,815,866.60
  5. Step 5: Solve for x
    x = 4,292,815,866.60/72,878.28
  6. Step 6: Final answer
    x = 58,903.91

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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.