Home / 89,875.21-124,026.80-49,590.67

Finding the Fourth Proportional to 89,875.21, 124,026.80 and 49,590.67

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Solution

The fourth proportional to 89,875.21, 124,026.80 and 49,590.67 is: 68,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,875.21 : 124,026.80 = 49,590.67 : x
  2. Step 2: Convert to fraction form
    89,875.21/124,026.80 = 49,590.67/x
  3. Step 3: Cross multiply
    89,875.21x = 124,026.80 × 49,590.67
  4. Step 4: Simplify right side
    89,875.21x = 6,150,571,241.87
  5. Step 5: Solve for x
    x = 6,150,571,241.87/89,875.21
  6. Step 6: Final answer
    x = 68,434.57

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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.