Home / 92,969.19-128,298.78-50,527.71

Finding the Fourth Proportional to 92,969.19, 128,298.78 and 50,527.71

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Solution

The fourth proportional to 92,969.19, 128,298.78 and 50,527.71 is: 69,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,969.19 : 128,298.78 = 50,527.71 : x
  2. Step 2: Convert to fraction form
    92,969.19/128,298.78 = 50,527.71/x
  3. Step 3: Cross multiply
    92,969.19x = 128,298.78 × 50,527.71
  4. Step 4: Simplify right side
    92,969.19x = 6,482,643,549.19
  5. Step 5: Solve for x
    x = 6,482,643,549.19/92,969.19
  6. Step 6: Final answer
    x = 69,728.95

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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.