Home / 56,263.64-77,643.62-31,113.14

Finding the Fourth Proportional to 56,263.64, 77,643.62 and 31,113.14

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Solution

The fourth proportional to 56,263.64, 77,643.62 and 31,113.14 is: 42,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,263.64 : 77,643.62 = 31,113.14 : x
  2. Step 2: Convert to fraction form
    56,263.64/77,643.62 = 31,113.14/x
  3. Step 3: Cross multiply
    56,263.64x = 77,643.62 × 31,113.14
  4. Step 4: Simplify right side
    56,263.64x = 2,415,736,819.17
  5. Step 5: Solve for x
    x = 2,415,736,819.17/56,263.64
  6. Step 6: Final answer
    x = 42,936.02

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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.