Home / 90,250.58-124,545.93-53,975.54

Finding the Fourth Proportional to 90,250.58, 124,545.93 and 53,975.54

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Solution

The fourth proportional to 90,250.58, 124,545.93 and 53,975.54 is: 74,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,250.58 : 124,545.93 = 53,975.54 : x
  2. Step 2: Convert to fraction form
    90,250.58/124,545.93 = 53,975.54/x
  3. Step 3: Cross multiply
    90,250.58x = 124,545.93 × 53,975.54
  4. Step 4: Simplify right side
    90,250.58x = 6,722,433,826.55
  5. Step 5: Solve for x
    x = 6,722,433,826.55/90,250.58
  6. Step 6: Final answer
    x = 74,486.32

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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.