Home / 81,174.53-112,056.41-62,055.11

Finding the Fourth Proportional to 81,174.53, 112,056.41 and 62,055.11

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Solution

The fourth proportional to 81,174.53, 112,056.41 and 62,055.11 is: 85,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,174.53 : 112,056.41 = 62,055.11 : x
  2. Step 2: Convert to fraction form
    81,174.53/112,056.41 = 62,055.11/x
  3. Step 3: Cross multiply
    81,174.53x = 112,056.41 × 62,055.11
  4. Step 4: Simplify right side
    81,174.53x = 6,953,671,978.20
  5. Step 5: Solve for x
    x = 6,953,671,978.20/81,174.53
  6. Step 6: Final answer
    x = 85,663.23

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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.