Home / 88,182.63-121,621.62-57,998.94

Finding the Fourth Proportional to 88,182.63, 121,621.62 and 57,998.94

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Solution

The fourth proportional to 88,182.63, 121,621.62 and 57,998.94 is: 79,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,182.63 : 121,621.62 = 57,998.94 : x
  2. Step 2: Convert to fraction form
    88,182.63/121,621.62 = 57,998.94/x
  3. Step 3: Cross multiply
    88,182.63x = 121,621.62 × 57,998.94
  4. Step 4: Simplify right side
    88,182.63x = 7,053,925,041.08
  5. Step 5: Solve for x
    x = 7,053,925,041.08/88,182.63
  6. Step 6: Final answer
    x = 79,992.23

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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.