Home / 127,922.10-191,881.35-57,801.30

Finding the Fourth Proportional to 127,922.10, 191,881.35 and 57,801.30

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Solution

The fourth proportional to 127,922.10, 191,881.35 and 57,801.30 is: 86,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,922.10 : 191,881.35 = 57,801.30 : x
  2. Step 2: Convert to fraction form
    127,922.10/191,881.35 = 57,801.30/x
  3. Step 3: Cross multiply
    127,922.10x = 191,881.35 × 57,801.30
  4. Step 4: Simplify right side
    127,922.10x = 11,090,991,475.76
  5. Step 5: Solve for x
    x = 11,090,991,475.76/127,922.10
  6. Step 6: Final answer
    x = 86,701.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.