Home / 109,916.88-151,629.48-69,562.64

Finding the Fourth Proportional to 109,916.88, 151,629.48 and 69,562.64

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Solution

The fourth proportional to 109,916.88, 151,629.48 and 69,562.64 is: 95,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,916.88 : 151,629.48 = 69,562.64 : x
  2. Step 2: Convert to fraction form
    109,916.88/151,629.48 = 69,562.64/x
  3. Step 3: Cross multiply
    109,916.88x = 151,629.48 × 69,562.64
  4. Step 4: Simplify right side
    109,916.88x = 10,547,746,930.63
  5. Step 5: Solve for x
    x = 10,547,746,930.63/109,916.88
  6. Step 6: Final answer
    x = 95,961.12

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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.