Home / 75,392.19-113,090.78-37,931.76

Finding the Fourth Proportional to 75,392.19, 113,090.78 and 37,931.76

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Solution

The fourth proportional to 75,392.19, 113,090.78 and 37,931.76 is: 56,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,392.19 : 113,090.78 = 37,931.76 : x
  2. Step 2: Convert to fraction form
    75,392.19/113,090.78 = 37,931.76/x
  3. Step 3: Cross multiply
    75,392.19x = 113,090.78 × 37,931.76
  4. Step 4: Simplify right side
    75,392.19x = 4,289,732,420.00
  5. Step 5: Solve for x
    x = 4,289,732,420.00/75,392.19
  6. Step 6: Final answer
    x = 56,898.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.