Home / 70,295.15-105,326.07-49,474.91

Finding the Fourth Proportional to 70,295.15, 105,326.07 and 49,474.91

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Solution

The fourth proportional to 70,295.15, 105,326.07 and 49,474.91 is: 74,130.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,295.15 : 105,326.07 = 49,474.91 : x
  2. Step 2: Convert to fraction form
    70,295.15/105,326.07 = 49,474.91/x
  3. Step 3: Cross multiply
    70,295.15x = 105,326.07 × 49,474.91
  4. Step 4: Simplify right side
    70,295.15x = 5,210,997,833.90
  5. Step 5: Solve for x
    x = 5,210,997,833.90/70,295.15
  6. Step 6: Final answer
    x = 74,130.26

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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.