Home / 72,831.74-100,515.48-42,626.84

Finding the Fourth Proportional to 72,831.74, 100,515.48 and 42,626.84

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Solution

The fourth proportional to 72,831.74, 100,515.48 and 42,626.84 is: 58,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831.74 : 100,515.48 = 42,626.84 : x
  2. Step 2: Convert to fraction form
    72,831.74/100,515.48 = 42,626.84/x
  3. Step 3: Cross multiply
    72,831.74x = 100,515.48 × 42,626.84
  4. Step 4: Simplify right side
    72,831.74x = 4,284,657,283.48
  5. Step 5: Solve for x
    x = 4,284,657,283.48/72,831.74
  6. Step 6: Final answer
    x = 58,829.53

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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.