Home / 94,916.66-130,980.86-54,631.72

Finding the Fourth Proportional to 94,916.66, 130,980.86 and 54,631.72

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Solution

The fourth proportional to 94,916.66, 130,980.86 and 54,631.72 is: 75,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,916.66 : 130,980.86 = 54,631.72 : x
  2. Step 2: Convert to fraction form
    94,916.66/130,980.86 = 54,631.72/x
  3. Step 3: Cross multiply
    94,916.66x = 130,980.86 × 54,631.72
  4. Step 4: Simplify right side
    94,916.66x = 7,155,709,668.88
  5. Step 5: Solve for x
    x = 7,155,709,668.88/94,916.66
  6. Step 6: Final answer
    x = 75,389.40

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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.