Home / 42,899.04-64,348.56-11,734.56

Finding the Fourth Proportional to 42,899.04, 64,348.56 and 11,734.56

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Solution

The fourth proportional to 42,899.04, 64,348.56 and 11,734.56 is: 17,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,899.04 : 64,348.56 = 11,734.56 : x
  2. Step 2: Convert to fraction form
    42,899.04/64,348.56 = 11,734.56/x
  3. Step 3: Cross multiply
    42,899.04x = 64,348.56 × 11,734.56
  4. Step 4: Simplify right side
    42,899.04x = 755,102,038.23
  5. Step 5: Solve for x
    x = 755,102,038.23/42,899.04
  6. Step 6: Final answer
    x = 17,601.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.