Home / 65,051.59-89,768.91-36,756.67

Finding the Fourth Proportional to 65,051.59, 89,768.91 and 36,756.67

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Solution

The fourth proportional to 65,051.59, 89,768.91 and 36,756.67 is: 50,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,051.59 : 89,768.91 = 36,756.67 : x
  2. Step 2: Convert to fraction form
    65,051.59/89,768.91 = 36,756.67/x
  3. Step 3: Cross multiply
    65,051.59x = 89,768.91 × 36,756.67
  4. Step 4: Simplify right side
    65,051.59x = 3,299,606,201.13
  5. Step 5: Solve for x
    x = 3,299,606,201.13/65,051.59
  6. Step 6: Final answer
    x = 50,722.91

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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.