Home / 94,870.78-130,913.82-52,429.21

Finding the Fourth Proportional to 94,870.78, 130,913.82 and 52,429.21

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Solution

The fourth proportional to 94,870.78, 130,913.82 and 52,429.21 is: 72,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,870.78 : 130,913.82 = 52,429.21 : x
  2. Step 2: Convert to fraction form
    94,870.78/130,913.82 = 52,429.21/x
  3. Step 3: Cross multiply
    94,870.78x = 130,913.82 × 52,429.21
  4. Step 4: Simplify right side
    94,870.78x = 6,863,708,160.68
  5. Step 5: Solve for x
    x = 6,863,708,160.68/94,870.78
  6. Step 6: Final answer
    x = 72,347.97

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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.