Home / 56,359.08-77,774.58-31,208.04

Finding the Fourth Proportional to 56,359.08, 77,774.58 and 31,208.04

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Solution

The fourth proportional to 56,359.08, 77,774.58 and 31,208.04 is: 43,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.08 : 77,774.58 = 31,208.04 : x
  2. Step 2: Convert to fraction form
    56,359.08/77,774.58 = 31,208.04/x
  3. Step 3: Cross multiply
    56,359.08x = 77,774.58 × 31,208.04
  4. Step 4: Simplify right side
    56,359.08x = 2,427,192,203.62
  5. Step 5: Solve for x
    x = 2,427,192,203.62/56,359.08
  6. Step 6: Final answer
    x = 43,066.57

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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.