Home / 64,074.12-88,428.96-40,201.80

Finding the Fourth Proportional to 64,074.12, 88,428.96 and 40,201.80

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Solution

The fourth proportional to 64,074.12, 88,428.96 and 40,201.80 is: 55,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.12 : 88,428.96 = 40,201.80 : x
  2. Step 2: Convert to fraction form
    64,074.12/88,428.96 = 40,201.80/x
  3. Step 3: Cross multiply
    64,074.12x = 88,428.96 × 40,201.80
  4. Step 4: Simplify right side
    64,074.12x = 3,555,003,364.13
  5. Step 5: Solve for x
    x = 3,555,003,364.13/64,074.12
  6. Step 6: Final answer
    x = 55,482.67

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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.