Home / 98,841.74-136,345.88-62,531.91

Finding the Fourth Proportional to 98,841.74, 136,345.88 and 62,531.91

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Solution

The fourth proportional to 98,841.74, 136,345.88 and 62,531.91 is: 86,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,841.74 : 136,345.88 = 62,531.91 : x
  2. Step 2: Convert to fraction form
    98,841.74/136,345.88 = 62,531.91/x
  3. Step 3: Cross multiply
    98,841.74x = 136,345.88 × 62,531.91
  4. Step 4: Simplify right side
    98,841.74x = 8,525,968,453.36
  5. Step 5: Solve for x
    x = 8,525,968,453.36/98,841.74
  6. Step 6: Final answer
    x = 86,258.79

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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.