Home / 88,172.48-121,678.00-47,886.26

Finding the Fourth Proportional to 88,172.48, 121,678.00 and 47,886.26

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Solution

The fourth proportional to 88,172.48, 121,678.00 and 47,886.26 is: 66,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.48 : 121,678.00 = 47,886.26 : x
  2. Step 2: Convert to fraction form
    88,172.48/121,678.00 = 47,886.26/x
  3. Step 3: Cross multiply
    88,172.48x = 121,678.00 × 47,886.26
  4. Step 4: Simplify right side
    88,172.48x = 5,826,703,616.17
  5. Step 5: Solve for x
    x = 5,826,703,616.17/88,172.48
  6. Step 6: Final answer
    x = 66,083.02

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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.