Home / 58,853.54-81,235.68-40,001.60

Finding the Fourth Proportional to 58,853.54, 81,235.68 and 40,001.60

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Solution

The fourth proportional to 58,853.54, 81,235.68 and 40,001.60 is: 55,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,853.54 : 81,235.68 = 40,001.60 : x
  2. Step 2: Convert to fraction form
    58,853.54/81,235.68 = 40,001.60/x
  3. Step 3: Cross multiply
    58,853.54x = 81,235.68 × 40,001.60
  4. Step 4: Simplify right side
    58,853.54x = 3,249,557,230.17
  5. Step 5: Solve for x
    x = 3,249,557,230.17/58,853.54
  6. Step 6: Final answer
    x = 55,214.30

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1.5x scale

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.