Home / 70,840.91-97,760.18-39,009.76

Finding the Fourth Proportional to 70,840.91, 97,760.18 and 39,009.76

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Solution

The fourth proportional to 70,840.91, 97,760.18 and 39,009.76 is: 53,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,840.91 : 97,760.18 = 39,009.76 : x
  2. Step 2: Convert to fraction form
    70,840.91/97,760.18 = 39,009.76/x
  3. Step 3: Cross multiply
    70,840.91x = 97,760.18 × 39,009.76
  4. Step 4: Simplify right side
    70,840.91x = 3,813,601,012.48
  5. Step 5: Solve for x
    x = 3,813,601,012.48/70,840.91
  6. Step 6: Final answer
    x = 53,833.31

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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.