Home / 56,353.56-77,770.32-31,203.06

Finding the Fourth Proportional to 56,353.56, 77,770.32 and 31,203.06

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Solution

The fourth proportional to 56,353.56, 77,770.32 and 31,203.06 is: 43,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,353.56 : 77,770.32 = 31,203.06 : x
  2. Step 2: Convert to fraction form
    56,353.56/77,770.32 = 31,203.06/x
  3. Step 3: Cross multiply
    56,353.56x = 77,770.32 × 31,203.06
  4. Step 4: Simplify right side
    56,353.56x = 2,426,671,961.18
  5. Step 5: Solve for x
    x = 2,426,671,961.18/56,353.56
  6. Step 6: Final answer
    x = 43,061.56

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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.