Home / 91,099.06-136,457.22-57,801.98

Finding the Fourth Proportional to 91,099.06, 136,457.22 and 57,801.98

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Solution

The fourth proportional to 91,099.06, 136,457.22 and 57,801.98 is: 86,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.06 : 136,457.22 = 57,801.98 : x
  2. Step 2: Convert to fraction form
    91,099.06/136,457.22 = 57,801.98/x
  3. Step 3: Cross multiply
    91,099.06x = 136,457.22 × 57,801.98
  4. Step 4: Simplify right side
    91,099.06x = 7,887,497,501.30
  5. Step 5: Solve for x
    x = 7,887,497,501.30/91,099.06
  6. Step 6: Final answer
    x = 86,581.55

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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.