Home / 56,812.82-78,400.16-32,613.08

Finding the Fourth Proportional to 56,812.82, 78,400.16 and 32,613.08

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Solution

The fourth proportional to 56,812.82, 78,400.16 and 32,613.08 is: 45,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,812.82 : 78,400.16 = 32,613.08 : x
  2. Step 2: Convert to fraction form
    56,812.82/78,400.16 = 32,613.08/x
  3. Step 3: Cross multiply
    56,812.82x = 78,400.16 × 32,613.08
  4. Step 4: Simplify right side
    56,812.82x = 2,556,870,690.09
  5. Step 5: Solve for x
    x = 2,556,870,690.09/56,812.82
  6. Step 6: Final answer
    x = 45,005.17

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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.