Home / 56,850.84-78,453.99-31,700.34

Finding the Fourth Proportional to 56,850.84, 78,453.99 and 31,700.34

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Solution

The fourth proportional to 56,850.84, 78,453.99 and 31,700.34 is: 43,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850.84 : 78,453.99 = 31,700.34 : x
  2. Step 2: Convert to fraction form
    56,850.84/78,453.99 = 31,700.34/x
  3. Step 3: Cross multiply
    56,850.84x = 78,453.99 × 31,700.34
  4. Step 4: Simplify right side
    56,850.84x = 2,487,018,157.36
  5. Step 5: Solve for x
    x = 2,487,018,157.36/56,850.84
  6. Step 6: Final answer
    x = 43,746.37

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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.