Home / 57,622.13-79,465.70-39,499.19

Finding the Fourth Proportional to 57,622.13, 79,465.70 and 39,499.19

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Solution

The fourth proportional to 57,622.13, 79,465.70 and 39,499.19 is: 54,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622.13 : 79,465.70 = 39,499.19 : x
  2. Step 2: Convert to fraction form
    57,622.13/79,465.70 = 39,499.19/x
  3. Step 3: Cross multiply
    57,622.13x = 79,465.70 × 39,499.19
  4. Step 4: Simplify right side
    57,622.13x = 3,138,830,585.29
  5. Step 5: Solve for x
    x = 3,138,830,585.29/57,622.13
  6. Step 6: Final answer
    x = 54,472.66

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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.