Home / 58,228.55-87,280.55-30,120.32

Finding the Fourth Proportional to 58,228.55, 87,280.55 and 30,120.32

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Solution

The fourth proportional to 58,228.55, 87,280.55 and 30,120.32 is: 45,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,228.55 : 87,280.55 = 30,120.32 : x
  2. Step 2: Convert to fraction form
    58,228.55/87,280.55 = 30,120.32/x
  3. Step 3: Cross multiply
    58,228.55x = 87,280.55 × 30,120.32
  4. Step 4: Simplify right side
    58,228.55x = 2,628,917,508.77
  5. Step 5: Solve for x
    x = 2,628,917,508.77/58,228.55
  6. Step 6: Final answer
    x = 45,148.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.