Home / 92,960.09-128,284.90-50,518.61

Finding the Fourth Proportional to 92,960.09, 128,284.90 and 50,518.61

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Solution

The fourth proportional to 92,960.09, 128,284.90 and 50,518.61 is: 69,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,960.09 : 128,284.90 = 50,518.61 : x
  2. Step 2: Convert to fraction form
    92,960.09/128,284.90 = 50,518.61/x
  3. Step 3: Cross multiply
    92,960.09x = 128,284.90 × 50,518.61
  4. Step 4: Simplify right side
    92,960.09x = 6,480,774,831.99
  5. Step 5: Solve for x
    x = 6,480,774,831.99/92,960.09
  6. Step 6: Final answer
    x = 69,715.67

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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.