Home / 66,357.28-99,302.05-41,409.07

Finding the Fourth Proportional to 66,357.28, 99,302.05 and 41,409.07

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Solution

The fourth proportional to 66,357.28, 99,302.05 and 41,409.07 is: 61,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,357.28 : 99,302.05 = 41,409.07 : x
  2. Step 2: Convert to fraction form
    66,357.28/99,302.05 = 41,409.07/x
  3. Step 3: Cross multiply
    66,357.28x = 99,302.05 × 41,409.07
  4. Step 4: Simplify right side
    66,357.28x = 4,112,005,539.59
  5. Step 5: Solve for x
    x = 4,112,005,539.59/66,357.28
  6. Step 6: Final answer
    x = 61,967.66

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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.