Home / 90,297.87-124,612.35-52,056.69

Finding the Fourth Proportional to 90,297.87, 124,612.35 and 52,056.69

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Solution

The fourth proportional to 90,297.87, 124,612.35 and 52,056.69 is: 71,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,297.87 : 124,612.35 = 52,056.69 : x
  2. Step 2: Convert to fraction form
    90,297.87/124,612.35 = 52,056.69/x
  3. Step 3: Cross multiply
    90,297.87x = 124,612.35 × 52,056.69
  4. Step 4: Simplify right side
    90,297.87x = 6,486,906,474.12
  5. Step 5: Solve for x
    x = 6,486,906,474.12/90,297.87
  6. Step 6: Final answer
    x = 71,838.98

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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.