Home / 48,810.12-67,317.03-38,722.57

Finding the Fourth Proportional to 48,810.12, 67,317.03 and 38,722.57

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Solution

The fourth proportional to 48,810.12, 67,317.03 and 38,722.57 is: 53,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,810.12 : 67,317.03 = 38,722.57 : x
  2. Step 2: Convert to fraction form
    48,810.12/67,317.03 = 38,722.57/x
  3. Step 3: Cross multiply
    48,810.12x = 67,317.03 × 38,722.57
  4. Step 4: Simplify right side
    48,810.12x = 2,606,688,406.37
  5. Step 5: Solve for x
    x = 2,606,688,406.37/48,810.12
  6. Step 6: Final answer
    x = 53,404.67

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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.