Home / 86,720.96-119,668.32-52,724.74

Finding the Fourth Proportional to 86,720.96, 119,668.32 and 52,724.74

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Solution

The fourth proportional to 86,720.96, 119,668.32 and 52,724.74 is: 72,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720.96 : 119,668.32 = 52,724.74 : x
  2. Step 2: Convert to fraction form
    86,720.96/119,668.32 = 52,724.74/x
  3. Step 3: Cross multiply
    86,720.96x = 119,668.32 × 52,724.74
  4. Step 4: Simplify right side
    86,720.96x = 6,309,481,058.24
  5. Step 5: Solve for x
    x = 6,309,481,058.24/86,720.96
  6. Step 6: Final answer
    x = 72,756.13

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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.