Home / 81,048.02-111,864.93-47,524.82

Finding the Fourth Proportional to 81,048.02, 111,864.93 and 47,524.82

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Solution

The fourth proportional to 81,048.02, 111,864.93 and 47,524.82 is: 65,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,048.02 : 111,864.93 = 47,524.82 : x
  2. Step 2: Convert to fraction form
    81,048.02/111,864.93 = 47,524.82/x
  3. Step 3: Cross multiply
    81,048.02x = 111,864.93 × 47,524.82
  4. Step 4: Simplify right side
    81,048.02x = 5,316,360,662.56
  5. Step 5: Solve for x
    x = 5,316,360,662.56/81,048.02
  6. Step 6: Final answer
    x = 65,595.19

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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.