Home / 103,621.63-155,457.96-33,500.95

Finding the Fourth Proportional to 103,621.63, 155,457.96 and 33,500.95

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Solution

The fourth proportional to 103,621.63, 155,457.96 and 33,500.95 is: 50,259.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.63 : 155,457.96 = 33,500.95 : x
  2. Step 2: Convert to fraction form
    103,621.63/155,457.96 = 33,500.95/x
  3. Step 3: Cross multiply
    103,621.63x = 155,457.96 × 33,500.95
  4. Step 4: Simplify right side
    103,621.63x = 5,207,989,345.06
  5. Step 5: Solve for x
    x = 5,207,989,345.06/103,621.63
  6. Step 6: Final answer
    x = 50,259.67

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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.