Home / 64,817.16-89,488.96-52,908.80

Finding the Fourth Proportional to 64,817.16, 89,488.96 and 52,908.80

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Solution

The fourth proportional to 64,817.16, 89,488.96 and 52,908.80 is: 73,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,817.16 : 89,488.96 = 52,908.80 : x
  2. Step 2: Convert to fraction form
    64,817.16/89,488.96 = 52,908.80/x
  3. Step 3: Cross multiply
    64,817.16x = 89,488.96 × 52,908.80
  4. Step 4: Simplify right side
    64,817.16x = 4,734,753,486.85
  5. Step 5: Solve for x
    x = 4,734,753,486.85/64,817.16
  6. Step 6: Final answer
    x = 73,047.84

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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.