Home / 58,113.25-87,148.00-45,778.57

Finding the Fourth Proportional to 58,113.25, 87,148.00 and 45,778.57

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Solution

The fourth proportional to 58,113.25, 87,148.00 and 45,778.57 is: 68,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,113.25 : 87,148.00 = 45,778.57 : x
  2. Step 2: Convert to fraction form
    58,113.25/87,148.00 = 45,778.57/x
  3. Step 3: Cross multiply
    58,113.25x = 87,148.00 × 45,778.57
  4. Step 4: Simplify right side
    58,113.25x = 3,989,510,657.71
  5. Step 5: Solve for x
    x = 3,989,510,657.71/58,113.25
  6. Step 6: Final answer
    x = 68,650.62

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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.