Home / 99,101.58-136,760.27-53,779.57

Finding the Fourth Proportional to 99,101.58, 136,760.27 and 53,779.57

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Solution

The fourth proportional to 99,101.58, 136,760.27 and 53,779.57 is: 74,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,101.58 : 136,760.27 = 53,779.57 : x
  2. Step 2: Convert to fraction form
    99,101.58/136,760.27 = 53,779.57/x
  3. Step 3: Cross multiply
    99,101.58x = 136,760.27 × 53,779.57
  4. Step 4: Simplify right side
    99,101.58x = 7,354,908,164.33
  5. Step 5: Solve for x
    x = 7,354,908,164.33/99,101.58
  6. Step 6: Final answer
    x = 74,215.85

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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.