Home / 109,547.22-151,174.72-61,800.54

Finding the Fourth Proportional to 109,547.22, 151,174.72 and 61,800.54

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Solution

The fourth proportional to 109,547.22, 151,174.72 and 61,800.54 is: 85,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,547.22 : 151,174.72 = 61,800.54 : x
  2. Step 2: Convert to fraction form
    109,547.22/151,174.72 = 61,800.54/x
  3. Step 3: Cross multiply
    109,547.22x = 151,174.72 × 61,800.54
  4. Step 4: Simplify right side
    109,547.22x = 9,342,679,330.35
  5. Step 5: Solve for x
    x = 9,342,679,330.35/109,547.22
  6. Step 6: Final answer
    x = 85,284.49

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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.