Home / 88,686.10-133,035.55-53,550.10

Finding the Fourth Proportional to 88,686.10, 133,035.55 and 53,550.10

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Solution

The fourth proportional to 88,686.10, 133,035.55 and 53,550.10 is: 80,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,686.10 : 133,035.55 = 53,550.10 : x
  2. Step 2: Convert to fraction form
    88,686.10/133,035.55 = 53,550.10/x
  3. Step 3: Cross multiply
    88,686.10x = 133,035.55 × 53,550.10
  4. Step 4: Simplify right side
    88,686.10x = 7,124,067,006.06
  5. Step 5: Solve for x
    x = 7,124,067,006.06/88,686.10
  6. Step 6: Final answer
    x = 80,329.01

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1.5x scale

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.