Home / 127,436.49-175,863.04-70,079.51

Finding the Fourth Proportional to 127,436.49, 175,863.04 and 70,079.51

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Solution

The fourth proportional to 127,436.49, 175,863.04 and 70,079.51 is: 96,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,436.49 : 175,863.04 = 70,079.51 : x
  2. Step 2: Convert to fraction form
    127,436.49/175,863.04 = 70,079.51/x
  3. Step 3: Cross multiply
    127,436.49x = 175,863.04 × 70,079.51
  4. Step 4: Simplify right side
    127,436.49x = 12,324,395,670.31
  5. Step 5: Solve for x
    x = 12,324,395,670.31/127,436.49
  6. Step 6: Final answer
    x = 96,710.10

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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.