Home / 64,840.98-89,480.37-36,160.67

Finding the Fourth Proportional to 64,840.98, 89,480.37 and 36,160.67

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Solution

The fourth proportional to 64,840.98, 89,480.37 and 36,160.67 is: 49,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,840.98 : 89,480.37 = 36,160.67 : x
  2. Step 2: Convert to fraction form
    64,840.98/89,480.37 = 36,160.67/x
  3. Step 3: Cross multiply
    64,840.98x = 89,480.37 × 36,160.67
  4. Step 4: Simplify right side
    64,840.98x = 3,235,670,169.50
  5. Step 5: Solve for x
    x = 3,235,670,169.50/64,840.98
  6. Step 6: Final answer
    x = 49,901.63

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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.