Home / 85,244.19-127,821.12-37,838.67

Finding the Fourth Proportional to 85,244.19, 127,821.12 and 37,838.67

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Solution

The fourth proportional to 85,244.19, 127,821.12 and 37,838.67 is: 56,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,244.19 : 127,821.12 = 37,838.67 : x
  2. Step 2: Convert to fraction form
    85,244.19/127,821.12 = 37,838.67/x
  3. Step 3: Cross multiply
    85,244.19x = 127,821.12 × 37,838.67
  4. Step 4: Simplify right side
    85,244.19x = 4,836,581,178.71
  5. Step 5: Solve for x
    x = 4,836,581,178.71/85,244.19
  6. Step 6: Final answer
    x = 56,737.96

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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.