Home / 91,985.07-137,858.24-41,346.68

Finding the Fourth Proportional to 91,985.07, 137,858.24 and 41,346.68

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Solution

The fourth proportional to 91,985.07, 137,858.24 and 41,346.68 is: 61,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,985.07 : 137,858.24 = 41,346.68 : x
  2. Step 2: Convert to fraction form
    91,985.07/137,858.24 = 41,346.68/x
  3. Step 3: Cross multiply
    91,985.07x = 137,858.24 × 41,346.68
  4. Step 4: Simplify right side
    91,985.07x = 5,699,980,534.64
  5. Step 5: Solve for x
    x = 5,699,980,534.64/91,985.07
  6. Step 6: Final answer
    x = 61,966.37

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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.