Home / 75,127.41-103,746.06-48,316.47

Finding the Fourth Proportional to 75,127.41, 103,746.06 and 48,316.47

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Solution

The fourth proportional to 75,127.41, 103,746.06 and 48,316.47 is: 66,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.41 : 103,746.06 = 48,316.47 : x
  2. Step 2: Convert to fraction form
    75,127.41/103,746.06 = 48,316.47/x
  3. Step 3: Cross multiply
    75,127.41x = 103,746.06 × 48,316.47
  4. Step 4: Simplify right side
    75,127.41x = 5,012,643,395.61
  5. Step 5: Solve for x
    x = 5,012,643,395.61/75,127.41
  6. Step 6: Final answer
    x = 66,721.90

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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.