Home / 56,374.03-77,848.46-42,202.27

Finding the Fourth Proportional to 56,374.03, 77,848.46 and 42,202.27

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Solution

The fourth proportional to 56,374.03, 77,848.46 and 42,202.27 is: 58,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,374.03 : 77,848.46 = 42,202.27 : x
  2. Step 2: Convert to fraction form
    56,374.03/77,848.46 = 42,202.27/x
  3. Step 3: Cross multiply
    56,374.03x = 77,848.46 × 42,202.27
  4. Step 4: Simplify right side
    56,374.03x = 3,285,381,728.00
  5. Step 5: Solve for x
    x = 3,285,381,728.00/56,374.03
  6. Step 6: Final answer
    x = 58,278.28

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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.