Home / 98,538.51-147,701.96-51,106.13

Finding the Fourth Proportional to 98,538.51, 147,701.96 and 51,106.13

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Solution

The fourth proportional to 98,538.51, 147,701.96 and 51,106.13 is: 76,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,538.51 : 147,701.96 = 51,106.13 : x
  2. Step 2: Convert to fraction form
    98,538.51/147,701.96 = 51,106.13/x
  3. Step 3: Cross multiply
    98,538.51x = 147,701.96 × 51,106.13
  4. Step 4: Simplify right side
    98,538.51x = 7,548,475,569.01
  5. Step 5: Solve for x
    x = 7,548,475,569.01/98,538.51
  6. Step 6: Final answer
    x = 76,604.32

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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.