Home / 108,440.35-149,646.21-60,693.68

Finding the Fourth Proportional to 108,440.35, 149,646.21 and 60,693.68

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Solution

The fourth proportional to 108,440.35, 149,646.21 and 60,693.68 is: 83,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,440.35 : 149,646.21 = 60,693.68 : x
  2. Step 2: Convert to fraction form
    108,440.35/149,646.21 = 60,693.68/x
  3. Step 3: Cross multiply
    108,440.35x = 149,646.21 × 60,693.68
  4. Step 4: Simplify right side
    108,440.35x = 9,082,579,182.95
  5. Step 5: Solve for x
    x = 9,082,579,182.95/108,440.35
  6. Step 6: Final answer
    x = 83,756.45

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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.