Home / 94,479.04-130,378.62-54,216.28

Finding the Fourth Proportional to 94,479.04, 130,378.62 and 54,216.28

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Solution

The fourth proportional to 94,479.04, 130,378.62 and 54,216.28 is: 74,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,479.04 : 130,378.62 = 54,216.28 : x
  2. Step 2: Convert to fraction form
    94,479.04/130,378.62 = 54,216.28/x
  3. Step 3: Cross multiply
    94,479.04x = 130,378.62 × 54,216.28
  4. Step 4: Simplify right side
    94,479.04x = 7,068,643,767.93
  5. Step 5: Solve for x
    x = 7,068,643,767.93/94,479.04
  6. Step 6: Final answer
    x = 74,817.06

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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.