Home / 64,966.56-89,739.90-52,267.56

Finding the Fourth Proportional to 64,966.56, 89,739.90 and 52,267.56

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Solution

The fourth proportional to 64,966.56, 89,739.90 and 52,267.56 is: 72,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,966.56 : 89,739.90 = 52,267.56 : x
  2. Step 2: Convert to fraction form
    64,966.56/89,739.90 = 52,267.56/x
  3. Step 3: Cross multiply
    64,966.56x = 89,739.90 × 52,267.56
  4. Step 4: Simplify right side
    64,966.56x = 4,690,485,607.64
  5. Step 5: Solve for x
    x = 4,690,485,607.64/64,966.56
  6. Step 6: Final answer
    x = 72,198.46

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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.