Home / 70,617.42-105,953.40-31,146.66

Finding the Fourth Proportional to 70,617.42, 105,953.40 and 31,146.66

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Solution

The fourth proportional to 70,617.42, 105,953.40 and 31,146.66 is: 46,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,617.42 : 105,953.40 = 31,146.66 : x
  2. Step 2: Convert to fraction form
    70,617.42/105,953.40 = 31,146.66/x
  3. Step 3: Cross multiply
    70,617.42x = 105,953.40 × 31,146.66
  4. Step 4: Simplify right side
    70,617.42x = 3,300,094,525.64
  5. Step 5: Solve for x
    x = 3,300,094,525.64/70,617.42
  6. Step 6: Final answer
    x = 46,732.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.