Home / 69,953.42-96,420.51-49,509.05

Finding the Fourth Proportional to 69,953.42, 96,420.51 and 49,509.05

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Solution

The fourth proportional to 69,953.42, 96,420.51 and 49,509.05 is: 68,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,953.42 : 96,420.51 = 49,509.05 : x
  2. Step 2: Convert to fraction form
    69,953.42/96,420.51 = 49,509.05/x
  3. Step 3: Cross multiply
    69,953.42x = 96,420.51 × 49,509.05
  4. Step 4: Simplify right side
    69,953.42x = 4,773,687,368.51
  5. Step 5: Solve for x
    x = 4,773,687,368.51/69,953.42
  6. Step 6: Final answer
    x = 68,240.94

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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.