Home / 98,761.35-136,290.23-53,440.14

Finding the Fourth Proportional to 98,761.35, 136,290.23 and 53,440.14

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Solution

The fourth proportional to 98,761.35, 136,290.23 and 53,440.14 is: 73,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,761.35 : 136,290.23 = 53,440.14 : x
  2. Step 2: Convert to fraction form
    98,761.35/136,290.23 = 53,440.14/x
  3. Step 3: Cross multiply
    98,761.35x = 136,290.23 × 53,440.14
  4. Step 4: Simplify right side
    98,761.35x = 7,283,368,971.83
  5. Step 5: Solve for x
    x = 7,283,368,971.83/98,761.35
  6. Step 6: Final answer
    x = 73,747.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.