Home / 110,947.20-153,109.55-60,646.20

Finding the Fourth Proportional to 110,947.20, 153,109.55 and 60,646.20

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Solution

The fourth proportional to 110,947.20, 153,109.55 and 60,646.20 is: 83,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,947.20 : 153,109.55 = 60,646.20 : x
  2. Step 2: Convert to fraction form
    110,947.20/153,109.55 = 60,646.20/x
  3. Step 3: Cross multiply
    110,947.20x = 153,109.55 × 60,646.20
  4. Step 4: Simplify right side
    110,947.20x = 9,285,512,391.21
  5. Step 5: Solve for x
    x = 9,285,512,391.21/110,947.20
  6. Step 6: Final answer
    x = 83,693.08

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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.