Home / 58,228.14-80,385.39-39,207.90

Finding the Fourth Proportional to 58,228.14, 80,385.39 and 39,207.90

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Solution

The fourth proportional to 58,228.14, 80,385.39 and 39,207.90 is: 54,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,228.14 : 80,385.39 = 39,207.90 : x
  2. Step 2: Convert to fraction form
    58,228.14/80,385.39 = 39,207.90/x
  3. Step 3: Cross multiply
    58,228.14x = 80,385.39 × 39,207.90
  4. Step 4: Simplify right side
    58,228.14x = 3,151,742,332.58
  5. Step 5: Solve for x
    x = 3,151,742,332.58/58,228.14
  6. Step 6: Final answer
    x = 54,127.48

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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.