Home / 79,001.56-118,502.46-31,637.98

Finding the Fourth Proportional to 79,001.56, 118,502.46 and 31,637.98

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Solution

The fourth proportional to 79,001.56, 118,502.46 and 31,637.98 is: 47,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,001.56 : 118,502.46 = 31,637.98 : x
  2. Step 2: Convert to fraction form
    79,001.56/118,502.46 = 31,637.98/x
  3. Step 3: Cross multiply
    79,001.56x = 118,502.46 × 31,637.98
  4. Step 4: Simplify right side
    79,001.56x = 3,749,178,459.43
  5. Step 5: Solve for x
    x = 3,749,178,459.43/79,001.56
  6. Step 6: Final answer
    x = 47,457.02

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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.