Home / 98,257.53-135,458.08-83,089.33

Finding the Fourth Proportional to 98,257.53, 135,458.08 and 83,089.33

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Solution

The fourth proportional to 98,257.53, 135,458.08 and 83,089.33 is: 114,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.53 : 135,458.08 = 83,089.33 : x
  2. Step 2: Convert to fraction form
    98,257.53/135,458.08 = 83,089.33/x
  3. Step 3: Cross multiply
    98,257.53x = 135,458.08 × 83,089.33
  4. Step 4: Simplify right side
    98,257.53x = 11,255,121,110.29
  5. Step 5: Solve for x
    x = 11,255,121,110.29/98,257.53
  6. Step 6: Final answer
    x = 114,547.16

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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.