Home / 99,157.23-136,836.54-53,834.85

Finding the Fourth Proportional to 99,157.23, 136,836.54 and 53,834.85

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Solution

The fourth proportional to 99,157.23, 136,836.54 and 53,834.85 is: 74,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,157.23 : 136,836.54 = 53,834.85 : x
  2. Step 2: Convert to fraction form
    99,157.23/136,836.54 = 53,834.85/x
  3. Step 3: Cross multiply
    99,157.23x = 136,836.54 × 53,834.85
  4. Step 4: Simplify right side
    99,157.23x = 7,366,574,605.42
  5. Step 5: Solve for x
    x = 7,366,574,605.42/99,157.23
  6. Step 6: Final answer
    x = 74,291.86

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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.