Home / 75,150.24-103,705.56-43,317.24

Finding the Fourth Proportional to 75,150.24, 103,705.56 and 43,317.24

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Solution

The fourth proportional to 75,150.24, 103,705.56 and 43,317.24 is: 59,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.24 : 103,705.56 = 43,317.24 : x
  2. Step 2: Convert to fraction form
    75,150.24/103,705.56 = 43,317.24/x
  3. Step 3: Cross multiply
    75,150.24x = 103,705.56 × 43,317.24
  4. Step 4: Simplify right side
    75,150.24x = 4,492,238,631.85
  5. Step 5: Solve for x
    x = 4,492,238,631.85/75,150.24
  6. Step 6: Final answer
    x = 59,776.77

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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.