Home / 92,756.19-128,002.89-50,314.77

Finding the Fourth Proportional to 92,756.19, 128,002.89 and 50,314.77

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Solution

The fourth proportional to 92,756.19, 128,002.89 and 50,314.77 is: 69,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,756.19 : 128,002.89 = 50,314.77 : x
  2. Step 2: Convert to fraction form
    92,756.19/128,002.89 = 50,314.77/x
  3. Step 3: Cross multiply
    92,756.19x = 128,002.89 × 50,314.77
  4. Step 4: Simplify right side
    92,756.19x = 6,440,435,969.69
  5. Step 5: Solve for x
    x = 6,440,435,969.69/92,756.19
  6. Step 6: Final answer
    x = 69,434.03

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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.