Home / 108,770.40-150,107.04-63,477.28

Finding the Fourth Proportional to 108,770.40, 150,107.04 and 63,477.28

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Solution

The fourth proportional to 108,770.40, 150,107.04 and 63,477.28 is: 87,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,770.40 : 150,107.04 = 63,477.28 : x
  2. Step 2: Convert to fraction form
    108,770.40/150,107.04 = 63,477.28/x
  3. Step 3: Cross multiply
    108,770.40x = 150,107.04 × 63,477.28
  4. Step 4: Simplify right side
    108,770.40x = 9,528,386,608.05
  5. Step 5: Solve for x
    x = 9,528,386,608.05/108,770.40
  6. Step 6: Final answer
    x = 87,600.92

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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.