Home / 74,228.08-111,307.56-43,072.24

Finding the Fourth Proportional to 74,228.08, 111,307.56 and 43,072.24

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Solution

The fourth proportional to 74,228.08, 111,307.56 and 43,072.24 is: 64,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.08 : 111,307.56 = 43,072.24 : x
  2. Step 2: Convert to fraction form
    74,228.08/111,307.56 = 43,072.24/x
  3. Step 3: Cross multiply
    74,228.08x = 111,307.56 × 43,072.24
  4. Step 4: Simplify right side
    74,228.08x = 4,794,265,938.13
  5. Step 5: Solve for x
    x = 4,794,265,938.13/74,228.08
  6. Step 6: Final answer
    x = 64,588.31

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1.5x scale

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.