Home / 58,815.64-81,175.26-42,952.60

Finding the Fourth Proportional to 58,815.64, 81,175.26 and 42,952.60

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Solution

The fourth proportional to 58,815.64, 81,175.26 and 42,952.60 is: 59,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,815.64 : 81,175.26 = 42,952.60 : x
  2. Step 2: Convert to fraction form
    58,815.64/81,175.26 = 42,952.60/x
  3. Step 3: Cross multiply
    58,815.64x = 81,175.26 × 42,952.60
  4. Step 4: Simplify right side
    58,815.64x = 3,486,688,472.68
  5. Step 5: Solve for x
    x = 3,486,688,472.68/58,815.64
  6. Step 6: Final answer
    x = 59,281.65

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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.