Home / 56,409.63-77,880.68-36,301.45

Finding the Fourth Proportional to 56,409.63, 77,880.68 and 36,301.45

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Solution

The fourth proportional to 56,409.63, 77,880.68 and 36,301.45 is: 50,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,409.63 : 77,880.68 = 36,301.45 : x
  2. Step 2: Convert to fraction form
    56,409.63/77,880.68 = 36,301.45/x
  3. Step 3: Cross multiply
    56,409.63x = 77,880.68 × 36,301.45
  4. Step 4: Simplify right side
    56,409.63x = 2,827,181,234.78
  5. Step 5: Solve for x
    x = 2,827,181,234.78/56,409.63
  6. Step 6: Final answer
    x = 50,118.77

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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.