Home / 64,693.75-89,185.13-50,328.35

Finding the Fourth Proportional to 64,693.75, 89,185.13 and 50,328.35

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Solution

The fourth proportional to 64,693.75, 89,185.13 and 50,328.35 is: 69,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,693.75 : 89,185.13 = 50,328.35 : x
  2. Step 2: Convert to fraction form
    64,693.75/89,185.13 = 50,328.35/x
  3. Step 3: Cross multiply
    64,693.75x = 89,185.13 × 50,328.35
  4. Step 4: Simplify right side
    64,693.75x = 4,488,539,739.87
  5. Step 5: Solve for x
    x = 4,488,539,739.87/64,693.75
  6. Step 6: Final answer
    x = 69,381.35

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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.