Home / 53,785.08-74,221.11-29,911.14

Finding the Fourth Proportional to 53,785.08, 74,221.11 and 29,911.14

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Solution

The fourth proportional to 53,785.08, 74,221.11 and 29,911.14 is: 41,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.08 : 74,221.11 = 29,911.14 : x
  2. Step 2: Convert to fraction form
    53,785.08/74,221.11 = 29,911.14/x
  3. Step 3: Cross multiply
    53,785.08x = 74,221.11 × 29,911.14
  4. Step 4: Simplify right side
    53,785.08x = 2,220,038,012.17
  5. Step 5: Solve for x
    x = 2,220,038,012.17/53,785.08
  6. Step 6: Final answer
    x = 41,276.09

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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.