Home / 56,218.08-77,449.01-39,191.34

Finding the Fourth Proportional to 56,218.08, 77,449.01 and 39,191.34

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Solution

The fourth proportional to 56,218.08, 77,449.01 and 39,191.34 is: 53,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,218.08 : 77,449.01 = 39,191.34 : x
  2. Step 2: Convert to fraction form
    56,218.08/77,449.01 = 39,191.34/x
  3. Step 3: Cross multiply
    56,218.08x = 77,449.01 × 39,191.34
  4. Step 4: Simplify right side
    56,218.08x = 3,035,330,581.55
  5. Step 5: Solve for x
    x = 3,035,330,581.55/56,218.08
  6. Step 6: Final answer
    x = 53,992.07

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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.