Home / 98,609.13-136,080.59-53,287.14

Finding the Fourth Proportional to 98,609.13, 136,080.59 and 53,287.14

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Solution

The fourth proportional to 98,609.13, 136,080.59 and 53,287.14 is: 73,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,609.13 : 136,080.59 = 53,287.14 : x
  2. Step 2: Convert to fraction form
    98,609.13/136,080.59 = 53,287.14/x
  3. Step 3: Cross multiply
    98,609.13x = 136,080.59 × 53,287.14
  4. Step 4: Simplify right side
    98,609.13x = 7,251,345,184.18
  5. Step 5: Solve for x
    x = 7,251,345,184.18/98,609.13
  6. Step 6: Final answer
    x = 73,536.25

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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.