Home / 91,063.63-136,562.64-38,477.22

Finding the Fourth Proportional to 91,063.63, 136,562.64 and 38,477.22

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Solution

The fourth proportional to 91,063.63, 136,562.64 and 38,477.22 is: 57,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,063.63 : 136,562.64 = 38,477.22 : x
  2. Step 2: Convert to fraction form
    91,063.63/136,562.64 = 38,477.22/x
  3. Step 3: Cross multiply
    91,063.63x = 136,562.64 × 38,477.22
  4. Step 4: Simplify right side
    91,063.63x = 5,254,550,743.06
  5. Step 5: Solve for x
    x = 5,254,550,743.06/91,063.63
  6. Step 6: Final answer
    x = 57,701.97

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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.