Home / 70,831.04-105,728.33-62,423.73

Finding the Fourth Proportional to 70,831.04, 105,728.33 and 62,423.73

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Solution

The fourth proportional to 70,831.04, 105,728.33 and 62,423.73 is: 93,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,831.04 : 105,728.33 = 62,423.73 : x
  2. Step 2: Convert to fraction form
    70,831.04/105,728.33 = 62,423.73/x
  3. Step 3: Cross multiply
    70,831.04x = 105,728.33 × 62,423.73
  4. Step 4: Simplify right side
    70,831.04x = 6,599,956,413.15
  5. Step 5: Solve for x
    x = 6,599,956,413.15/70,831.04
  6. Step 6: Final answer
    x = 93,178.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.