Home / 70,632.07-105,931.67-26,279.71

Finding the Fourth Proportional to 70,632.07, 105,931.67 and 26,279.71

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Solution

The fourth proportional to 70,632.07, 105,931.67 and 26,279.71 is: 39,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,632.07 : 105,931.67 = 26,279.71 : x
  2. Step 2: Convert to fraction form
    70,632.07/105,931.67 = 26,279.71/x
  3. Step 3: Cross multiply
    70,632.07x = 105,931.67 × 26,279.71
  4. Step 4: Simplify right side
    70,632.07x = 2,783,853,171.19
  5. Step 5: Solve for x
    x = 2,783,853,171.19/70,632.07
  6. Step 6: Final answer
    x = 39,413.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.