Home / 66,313.83-91,595.28-48,135.51

Finding the Fourth Proportional to 66,313.83, 91,595.28 and 48,135.51

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Solution

The fourth proportional to 66,313.83, 91,595.28 and 48,135.51 is: 66,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,313.83 : 91,595.28 = 48,135.51 : x
  2. Step 2: Convert to fraction form
    66,313.83/91,595.28 = 48,135.51/x
  3. Step 3: Cross multiply
    66,313.83x = 91,595.28 × 48,135.51
  4. Step 4: Simplify right side
    66,313.83x = 4,408,985,516.39
  5. Step 5: Solve for x
    x = 4,408,985,516.39/66,313.83
  6. Step 6: Final answer
    x = 66,486.67

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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.