Home / 88,083.18-121,556.90-47,798.64

Finding the Fourth Proportional to 88,083.18, 121,556.90 and 47,798.64

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Solution

The fourth proportional to 88,083.18, 121,556.90 and 47,798.64 is: 65,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,083.18 : 121,556.90 = 47,798.64 : x
  2. Step 2: Convert to fraction form
    88,083.18/121,556.90 = 47,798.64/x
  3. Step 3: Cross multiply
    88,083.18x = 121,556.90 × 47,798.64
  4. Step 4: Simplify right side
    88,083.18x = 5,810,254,622.11
  5. Step 5: Solve for x
    x = 5,810,254,622.11/88,083.18
  6. Step 6: Final answer
    x = 65,963.27

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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.