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Finding the Fourth Proportional to 73,865.58, 101,950.83 and 45,191.58

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Solution

The fourth proportional to 73,865.58, 101,950.83 and 45,191.58 is: 62,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.58 : 101,950.83 = 45,191.58 : x
  2. Step 2: Convert to fraction form
    73,865.58/101,950.83 = 45,191.58/x
  3. Step 3: Cross multiply
    73,865.58x = 101,950.83 × 45,191.58
  4. Step 4: Simplify right side
    73,865.58x = 4,607,319,090.01
  5. Step 5: Solve for x
    x = 4,607,319,090.01/73,865.58
  6. Step 6: Final answer
    x = 62,374.37

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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.