Home / 92,756.22-128,002.59-50,314.38

Finding the Fourth Proportional to 92,756.22, 128,002.59 and 50,314.38

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Solution

The fourth proportional to 92,756.22, 128,002.59 and 50,314.38 is: 69,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,756.22 : 128,002.59 = 50,314.38 : x
  2. Step 2: Convert to fraction form
    92,756.22/128,002.59 = 50,314.38/x
  3. Step 3: Cross multiply
    92,756.22x = 128,002.59 × 50,314.38
  4. Step 4: Simplify right side
    92,756.22x = 6,440,370,954.24
  5. Step 5: Solve for x
    x = 6,440,370,954.24/92,756.22
  6. Step 6: Final answer
    x = 69,433.31

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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.