Home / 108,039.53-149,102.09-60,293.67

Finding the Fourth Proportional to 108,039.53, 149,102.09 and 60,293.67

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Solution

The fourth proportional to 108,039.53, 149,102.09 and 60,293.67 is: 83,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,039.53 : 149,102.09 = 60,293.67 : x
  2. Step 2: Convert to fraction form
    108,039.53/149,102.09 = 60,293.67/x
  3. Step 3: Cross multiply
    108,039.53x = 149,102.09 × 60,293.67
  4. Step 4: Simplify right side
    108,039.53x = 8,989,911,909.30
  5. Step 5: Solve for x
    x = 8,989,911,909.30/108,039.53
  6. Step 6: Final answer
    x = 83,209.47

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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.