Home / 80,637.93-111,282.91-48,361.46

Finding the Fourth Proportional to 80,637.93, 111,282.91 and 48,361.46

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Solution

The fourth proportional to 80,637.93, 111,282.91 and 48,361.46 is: 66,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637.93 : 111,282.91 = 48,361.46 : x
  2. Step 2: Convert to fraction form
    80,637.93/111,282.91 = 48,361.46/x
  3. Step 3: Cross multiply
    80,637.93x = 111,282.91 × 48,361.46
  4. Step 4: Simplify right side
    80,637.93x = 5,381,803,595.36
  5. Step 5: Solve for x
    x = 5,381,803,595.36/80,637.93
  6. Step 6: Final answer
    x = 66,740.35

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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.