Home / 57,340.10-79,101.06-49,776.32

Finding the Fourth Proportional to 57,340.10, 79,101.06 and 49,776.32

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Solution

The fourth proportional to 57,340.10, 79,101.06 and 49,776.32 is: 68,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,340.10 : 79,101.06 = 49,776.32 : x
  2. Step 2: Convert to fraction form
    57,340.10/79,101.06 = 49,776.32/x
  3. Step 3: Cross multiply
    57,340.10x = 79,101.06 × 49,776.32
  4. Step 4: Simplify right side
    57,340.10x = 3,937,359,674.90
  5. Step 5: Solve for x
    x = 3,937,359,674.90/57,340.10
  6. Step 6: Final answer
    x = 68,666.77

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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.