Home / 109,867.36-151,622.76-69,566.44

Finding the Fourth Proportional to 109,867.36, 151,622.76 and 69,566.44

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Solution

The fourth proportional to 109,867.36, 151,622.76 and 69,566.44 is: 96,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,867.36 : 151,622.76 = 69,566.44 : x
  2. Step 2: Convert to fraction form
    109,867.36/151,622.76 = 69,566.44/x
  3. Step 3: Cross multiply
    109,867.36x = 151,622.76 × 69,566.44
  4. Step 4: Simplify right side
    109,867.36x = 10,547,855,636.17
  5. Step 5: Solve for x
    x = 10,547,855,636.17/109,867.36
  6. Step 6: Final answer
    x = 96,005.36

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1.5x scale

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.