Home / 66,831.49-92,223.93-36,611.20

Finding the Fourth Proportional to 66,831.49, 92,223.93 and 36,611.20

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Solution

The fourth proportional to 66,831.49, 92,223.93 and 36,611.20 is: 50,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,831.49 : 92,223.93 = 36,611.20 : x
  2. Step 2: Convert to fraction form
    66,831.49/92,223.93 = 36,611.20/x
  3. Step 3: Cross multiply
    66,831.49x = 92,223.93 × 36,611.20
  4. Step 4: Simplify right side
    66,831.49x = 3,376,428,746.02
  5. Step 5: Solve for x
    x = 3,376,428,746.02/66,831.49
  6. Step 6: Final answer
    x = 50,521.52

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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.