Home / 112,430.90-168,693.05-49,218.48

Finding the Fourth Proportional to 112,430.90, 168,693.05 and 49,218.48

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Solution

The fourth proportional to 112,430.90, 168,693.05 and 49,218.48 is: 73,848.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,430.90 : 168,693.05 = 49,218.48 : x
  2. Step 2: Convert to fraction form
    112,430.90/168,693.05 = 49,218.48/x
  3. Step 3: Cross multiply
    112,430.90x = 168,693.05 × 49,218.48
  4. Step 4: Simplify right side
    112,430.90x = 8,302,815,507.56
  5. Step 5: Solve for x
    x = 8,302,815,507.56/112,430.90
  6. Step 6: Final answer
    x = 73,848.16

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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.