Home / 83,271.12-124,955.88-30,717.51

Finding the Fourth Proportional to 83,271.12, 124,955.88 and 30,717.51

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Solution

The fourth proportional to 83,271.12, 124,955.88 and 30,717.51 is: 46,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,271.12 : 124,955.88 = 30,717.51 : x
  2. Step 2: Convert to fraction form
    83,271.12/124,955.88 = 30,717.51/x
  3. Step 3: Cross multiply
    83,271.12x = 124,955.88 × 30,717.51
  4. Step 4: Simplify right side
    83,271.12x = 3,838,333,493.46
  5. Step 5: Solve for x
    x = 3,838,333,493.46/83,271.12
  6. Step 6: Final answer
    x = 46,094.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.