Home / 108,041.12-149,104.24-60,303.78

Finding the Fourth Proportional to 108,041.12, 149,104.24 and 60,303.78

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Solution

The fourth proportional to 108,041.12, 149,104.24 and 60,303.78 is: 83,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,041.12 : 149,104.24 = 60,303.78 : x
  2. Step 2: Convert to fraction form
    108,041.12/149,104.24 = 60,303.78/x
  3. Step 3: Cross multiply
    108,041.12x = 149,104.24 × 60,303.78
  4. Step 4: Simplify right side
    108,041.12x = 8,991,549,286.03
  5. Step 5: Solve for x
    x = 8,991,549,286.03/108,041.12
  6. Step 6: Final answer
    x = 83,223.40

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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.