Home / 94,772.16-130,780.71-54,457.38

Finding the Fourth Proportional to 94,772.16, 130,780.71 and 54,457.38

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Solution

The fourth proportional to 94,772.16, 130,780.71 and 54,457.38 is: 75,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,772.16 : 130,780.71 = 54,457.38 : x
  2. Step 2: Convert to fraction form
    94,772.16/130,780.71 = 54,457.38/x
  3. Step 3: Cross multiply
    94,772.16x = 130,780.71 × 54,457.38
  4. Step 4: Simplify right side
    94,772.16x = 7,121,974,821.14
  5. Step 5: Solve for x
    x = 7,121,974,821.14/94,772.16
  6. Step 6: Final answer
    x = 75,148.39

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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.