Home / 56,354.12-77,767.38-32,479.28

Finding the Fourth Proportional to 56,354.12, 77,767.38 and 32,479.28

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Solution

The fourth proportional to 56,354.12, 77,767.38 and 32,479.28 is: 44,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,354.12 : 77,767.38 = 32,479.28 : x
  2. Step 2: Convert to fraction form
    56,354.12/77,767.38 = 32,479.28/x
  3. Step 3: Cross multiply
    56,354.12x = 77,767.38 × 32,479.28
  4. Step 4: Simplify right side
    56,354.12x = 2,525,828,509.89
  5. Step 5: Solve for x
    x = 2,525,828,509.89/56,354.12
  6. Step 6: Final answer
    x = 44,820.65

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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.