Home / 89,856.74-124,000.32-49,570.54

Finding the Fourth Proportional to 89,856.74, 124,000.32 and 49,570.54

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Solution

The fourth proportional to 89,856.74, 124,000.32 and 49,570.54 is: 68,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,856.74 : 124,000.32 = 49,570.54 : x
  2. Step 2: Convert to fraction form
    89,856.74/124,000.32 = 49,570.54/x
  3. Step 3: Cross multiply
    89,856.74x = 124,000.32 × 49,570.54
  4. Step 4: Simplify right side
    89,856.74x = 6,146,762,822.57
  5. Step 5: Solve for x
    x = 6,146,762,822.57/89,856.74
  6. Step 6: Final answer
    x = 68,406.25

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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.