Home / 64,278.30-88,709.16-47,359.84

Finding the Fourth Proportional to 64,278.30, 88,709.16 and 47,359.84

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Solution

The fourth proportional to 64,278.30, 88,709.16 and 47,359.84 is: 65,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,278.30 : 88,709.16 = 47,359.84 : x
  2. Step 2: Convert to fraction form
    64,278.30/88,709.16 = 47,359.84/x
  3. Step 3: Cross multiply
    64,278.30x = 88,709.16 × 47,359.84
  4. Step 4: Simplify right side
    64,278.30x = 4,201,251,624.13
  5. Step 5: Solve for x
    x = 4,201,251,624.13/64,278.30
  6. Step 6: Final answer
    x = 65,360.34

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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.