Home / 66,831.72-92,130.10-50,888.49

Finding the Fourth Proportional to 66,831.72, 92,130.10 and 50,888.49

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Solution

The fourth proportional to 66,831.72, 92,130.10 and 50,888.49 is: 70,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,831.72 : 92,130.10 = 50,888.49 : x
  2. Step 2: Convert to fraction form
    66,831.72/92,130.10 = 50,888.49/x
  3. Step 3: Cross multiply
    66,831.72x = 92,130.10 × 50,888.49
  4. Step 4: Simplify right side
    66,831.72x = 4,688,361,672.55
  5. Step 5: Solve for x
    x = 4,688,361,672.55/66,831.72
  6. Step 6: Final answer
    x = 70,151.74

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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.