Home / 74,329.50-102,574.71-40,797.66

Finding the Fourth Proportional to 74,329.50, 102,574.71 and 40,797.66

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Solution

The fourth proportional to 74,329.50, 102,574.71 and 40,797.66 is: 56,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,329.50 : 102,574.71 = 40,797.66 : x
  2. Step 2: Convert to fraction form
    74,329.50/102,574.71 = 40,797.66/x
  3. Step 3: Cross multiply
    74,329.50x = 102,574.71 × 40,797.66
  4. Step 4: Simplify right side
    74,329.50x = 4,184,808,143.18
  5. Step 5: Solve for x
    x = 4,184,808,143.18/74,329.50
  6. Step 6: Final answer
    x = 56,300.77

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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.