Home / 67,511.18-93,162.60-38,828.67

Finding the Fourth Proportional to 67,511.18, 93,162.60 and 38,828.67

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Solution

The fourth proportional to 67,511.18, 93,162.60 and 38,828.67 is: 53,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,511.18 : 93,162.60 = 38,828.67 : x
  2. Step 2: Convert to fraction form
    67,511.18/93,162.60 = 38,828.67/x
  3. Step 3: Cross multiply
    67,511.18x = 93,162.60 × 38,828.67
  4. Step 4: Simplify right side
    67,511.18x = 3,617,379,851.74
  5. Step 5: Solve for x
    x = 3,617,379,851.74/67,511.18
  6. Step 6: Final answer
    x = 53,581.94

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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.