Home / 74,501.23-111,628.93-42,937.79

Finding the Fourth Proportional to 74,501.23, 111,628.93 and 42,937.79

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Solution

The fourth proportional to 74,501.23, 111,628.93 and 42,937.79 is: 64,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501.23 : 111,628.93 = 42,937.79 : x
  2. Step 2: Convert to fraction form
    74,501.23/111,628.93 = 42,937.79/x
  3. Step 3: Cross multiply
    74,501.23x = 111,628.93 × 42,937.79
  4. Step 4: Simplify right side
    74,501.23x = 4,793,099,554.26
  5. Step 5: Solve for x
    x = 4,793,099,554.26/74,501.23
  6. Step 6: Final answer
    x = 64,335.84

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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.