Home / 107,368.95-161,001.53-39,854.43

Finding the Fourth Proportional to 107,368.95, 161,001.53 and 39,854.43

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Solution

The fourth proportional to 107,368.95, 161,001.53 and 39,854.43 is: 59,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,368.95 : 161,001.53 = 39,854.43 : x
  2. Step 2: Convert to fraction form
    107,368.95/161,001.53 = 39,854.43/x
  3. Step 3: Cross multiply
    107,368.95x = 161,001.53 × 39,854.43
  4. Step 4: Simplify right side
    107,368.95x = 6,416,624,008.01
  5. Step 5: Solve for x
    x = 6,416,624,008.01/107,368.95
  6. Step 6: Final answer
    x = 59,762.38

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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.