Home / 94,142.09-129,918.34-51,701.53

Finding the Fourth Proportional to 94,142.09, 129,918.34 and 51,701.53

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Solution

The fourth proportional to 94,142.09, 129,918.34 and 51,701.53 is: 71,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,142.09 : 129,918.34 = 51,701.53 : x
  2. Step 2: Convert to fraction form
    94,142.09/129,918.34 = 51,701.53/x
  3. Step 3: Cross multiply
    94,142.09x = 129,918.34 × 51,701.53
  4. Step 4: Simplify right side
    94,142.09x = 6,716,976,303.47
  5. Step 5: Solve for x
    x = 6,716,976,303.47/94,142.09
  6. Step 6: Final answer
    x = 71,349.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.