Home / 75,509.08-104,205.21-41,520.16

Finding the Fourth Proportional to 75,509.08, 104,205.21 and 41,520.16

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Solution

The fourth proportional to 75,509.08, 104,205.21 and 41,520.16 is: 57,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,509.08 : 104,205.21 = 41,520.16 : x
  2. Step 2: Convert to fraction form
    75,509.08/104,205.21 = 41,520.16/x
  3. Step 3: Cross multiply
    75,509.08x = 104,205.21 × 41,520.16
  4. Step 4: Simplify right side
    75,509.08x = 4,326,616,263.41
  5. Step 5: Solve for x
    x = 4,326,616,263.41/75,509.08
  6. Step 6: Final answer
    x = 57,299.28

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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.