Home / 75,099.36-103,633-42,829.24

Finding the Fourth Proportional to 75,099.36, 103,633 and 42,829.24

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Solution

The fourth proportional to 75,099.36, 103,633 and 42,829.24 is: 59,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,099.36 : 103,633 = 42,829.24 : x
  2. Step 2: Convert to fraction form
    75,099.36/103,633 = 42,829.24/x
  3. Step 3: Cross multiply
    75,099.36x = 103,633 × 42,829.24
  4. Step 4: Simplify right side
    75,099.36x = 4,438,522,628.92
  5. Step 5: Solve for x
    x = 4,438,522,628.92/75,099.36
  6. Step 6: Final answer
    x = 59,102.00

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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.