Home / 127,558.90-191,341.50-61,006.06

Finding the Fourth Proportional to 127,558.90, 191,341.50 and 61,006.06

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Solution

The fourth proportional to 127,558.90, 191,341.50 and 61,006.06 is: 91,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,558.90 : 191,341.50 = 61,006.06 : x
  2. Step 2: Convert to fraction form
    127,558.90/191,341.50 = 61,006.06/x
  3. Step 3: Cross multiply
    127,558.90x = 191,341.50 × 61,006.06
  4. Step 4: Simplify right side
    127,558.90x = 11,672,991,029.49
  5. Step 5: Solve for x
    x = 11,672,991,029.49/127,558.90
  6. Step 6: Final answer
    x = 91,510.60

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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.