Home / 94,478.04-130,377.24-54,215.28

Finding the Fourth Proportional to 94,478.04, 130,377.24 and 54,215.28

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Solution

The fourth proportional to 94,478.04, 130,377.24 and 54,215.28 is: 74,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,478.04 : 130,377.24 = 54,215.28 : x
  2. Step 2: Convert to fraction form
    94,478.04/130,377.24 = 54,215.28/x
  3. Step 3: Cross multiply
    94,478.04x = 130,377.24 × 54,215.28
  4. Step 4: Simplify right side
    94,478.04x = 7,068,438,572.23
  5. Step 5: Solve for x
    x = 7,068,438,572.23/94,478.04
  6. Step 6: Final answer
    x = 74,815.68

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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.