Home / 84,538.86-126,809.73-31,973.10

Finding the Fourth Proportional to 84,538.86, 126,809.73 and 31,973.10

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Solution

The fourth proportional to 84,538.86, 126,809.73 and 31,973.10 is: 47,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,538.86 : 126,809.73 = 31,973.10 : x
  2. Step 2: Convert to fraction form
    84,538.86/126,809.73 = 31,973.10/x
  3. Step 3: Cross multiply
    84,538.86x = 126,809.73 × 31,973.10
  4. Step 4: Simplify right side
    84,538.86x = 4,054,500,178.26
  5. Step 5: Solve for x
    x = 4,054,500,178.26/84,538.86
  6. Step 6: Final answer
    x = 47,960.19

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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.