Home / 81,774.66-112,810.93-53,092.16

Finding the Fourth Proportional to 81,774.66, 112,810.93 and 53,092.16

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Solution

The fourth proportional to 81,774.66, 112,810.93 and 53,092.16 is: 73,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,774.66 : 112,810.93 = 53,092.16 : x
  2. Step 2: Convert to fraction form
    81,774.66/112,810.93 = 53,092.16/x
  3. Step 3: Cross multiply
    81,774.66x = 112,810.93 × 53,092.16
  4. Step 4: Simplify right side
    81,774.66x = 5,989,375,671.56
  5. Step 5: Solve for x
    x = 5,989,375,671.56/81,774.66
  6. Step 6: Final answer
    x = 73,242.44

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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.