Home / 92,969.82-128,298.37-50,528.35

Finding the Fourth Proportional to 92,969.82, 128,298.37 and 50,528.35

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Solution

The fourth proportional to 92,969.82, 128,298.37 and 50,528.35 is: 69,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,969.82 : 128,298.37 = 50,528.35 : x
  2. Step 2: Convert to fraction form
    92,969.82/128,298.37 = 50,528.35/x
  3. Step 3: Cross multiply
    92,969.82x = 128,298.37 × 50,528.35
  4. Step 4: Simplify right side
    92,969.82x = 6,482,704,977.84
  5. Step 5: Solve for x
    x = 6,482,704,977.84/92,969.82
  6. Step 6: Final answer
    x = 69,729.13

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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.