Home / 94,619.76-130,581.72-54,875.76

Finding the Fourth Proportional to 94,619.76, 130,581.72 and 54,875.76

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Solution

The fourth proportional to 94,619.76, 130,581.72 and 54,875.76 is: 75,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,619.76 : 130,581.72 = 54,875.76 : x
  2. Step 2: Convert to fraction form
    94,619.76/130,581.72 = 54,875.76/x
  3. Step 3: Cross multiply
    94,619.76x = 130,581.72 × 54,875.76
  4. Step 4: Simplify right side
    94,619.76x = 7,165,771,127.11
  5. Step 5: Solve for x
    x = 7,165,771,127.11/94,619.76
  6. Step 6: Final answer
    x = 75,732.29

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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.