Home / 94,146.25-129,864.77-55,880.59

Finding the Fourth Proportional to 94,146.25, 129,864.77 and 55,880.59

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Solution

The fourth proportional to 94,146.25, 129,864.77 and 55,880.59 is: 77,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,146.25 : 129,864.77 = 55,880.59 : x
  2. Step 2: Convert to fraction form
    94,146.25/129,864.77 = 55,880.59/x
  3. Step 3: Cross multiply
    94,146.25x = 129,864.77 × 55,880.59
  4. Step 4: Simplify right side
    94,146.25x = 7,256,919,967.81
  5. Step 5: Solve for x
    x = 7,256,919,967.81/94,146.25
  6. Step 6: Final answer
    x = 77,081.35

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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.