Home / 74,303.24-102,533.46-40,771.40

Finding the Fourth Proportional to 74,303.24, 102,533.46 and 40,771.40

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Solution

The fourth proportional to 74,303.24, 102,533.46 and 40,771.40 is: 56,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,303.24 : 102,533.46 = 40,771.40 : x
  2. Step 2: Convert to fraction form
    74,303.24/102,533.46 = 40,771.40/x
  3. Step 3: Cross multiply
    74,303.24x = 102,533.46 × 40,771.40
  4. Step 4: Simplify right side
    74,303.24x = 4,180,432,711.04
  5. Step 5: Solve for x
    x = 4,180,432,711.04/74,303.24
  6. Step 6: Final answer
    x = 56,261.78

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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.