Home / 145,336.56-217,933.73-59,931.45

Finding the Fourth Proportional to 145,336.56, 217,933.73 and 59,931.45

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Solution

The fourth proportional to 145,336.56, 217,933.73 and 59,931.45 is: 89,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,336.56 : 217,933.73 = 59,931.45 : x
  2. Step 2: Convert to fraction form
    145,336.56/217,933.73 = 59,931.45/x
  3. Step 3: Cross multiply
    145,336.56x = 217,933.73 × 59,931.45
  4. Step 4: Simplify right side
    145,336.56x = 13,061,084,143.15
  5. Step 5: Solve for x
    x = 13,061,084,143.15/145,336.56
  6. Step 6: Final answer
    x = 89,867.85

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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.