Home / 112,546.52-155,362.02-70,126.01

Finding the Fourth Proportional to 112,546.52, 155,362.02 and 70,126.01

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Solution

The fourth proportional to 112,546.52, 155,362.02 and 70,126.01 is: 96,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,546.52 : 155,362.02 = 70,126.01 : x
  2. Step 2: Convert to fraction form
    112,546.52/155,362.02 = 70,126.01/x
  3. Step 3: Cross multiply
    112,546.52x = 155,362.02 × 70,126.01
  4. Step 4: Simplify right side
    112,546.52x = 10,894,918,568.14
  5. Step 5: Solve for x
    x = 10,894,918,568.14/112,546.52
  6. Step 6: Final answer
    x = 96,803.69

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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.