Home / 98,256.39-135,696.74-67,708.91

Finding the Fourth Proportional to 98,256.39, 135,696.74 and 67,708.91

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Solution

The fourth proportional to 98,256.39, 135,696.74 and 67,708.91 is: 93,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,256.39 : 135,696.74 = 67,708.91 : x
  2. Step 2: Convert to fraction form
    98,256.39/135,696.74 = 67,708.91/x
  3. Step 3: Cross multiply
    98,256.39x = 135,696.74 × 67,708.91
  4. Step 4: Simplify right side
    98,256.39x = 9,187,878,283.92
  5. Step 5: Solve for x
    x = 9,187,878,283.92/98,256.39
  6. Step 6: Final answer
    x = 93,509.22

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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.