Home / 72,833.16-109,293.48-30,710.64

Finding the Fourth Proportional to 72,833.16, 109,293.48 and 30,710.64

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Solution

The fourth proportional to 72,833.16, 109,293.48 and 30,710.64 is: 46,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833.16 : 109,293.48 = 30,710.64 : x
  2. Step 2: Convert to fraction form
    72,833.16/109,293.48 = 30,710.64/x
  3. Step 3: Cross multiply
    72,833.16x = 109,293.48 × 30,710.64
  4. Step 4: Simplify right side
    72,833.16x = 3,356,472,718.63
  5. Step 5: Solve for x
    x = 3,356,472,718.63/72,833.16
  6. Step 6: Final answer
    x = 46,084.40

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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.