Home / 92,980.26-128,307.51-50,538.48

Finding the Fourth Proportional to 92,980.26, 128,307.51 and 50,538.48

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Solution

The fourth proportional to 92,980.26, 128,307.51 and 50,538.48 is: 69,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,980.26 : 128,307.51 = 50,538.48 : x
  2. Step 2: Convert to fraction form
    92,980.26/128,307.51 = 50,538.48/x
  3. Step 3: Cross multiply
    92,980.26x = 128,307.51 × 50,538.48
  4. Step 4: Simplify right side
    92,980.26x = 6,484,466,527.98
  5. Step 5: Solve for x
    x = 6,484,466,527.98/92,980.26
  6. Step 6: Final answer
    x = 69,740.25

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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.