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Finding the Fourth Proportional to 56,424.60, 81,356.40 and 56,424.60

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Solution

The fourth proportional to 56,424.60, 81,356.40 and 56,424.60 is: 81,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,424.60 : 81,356.40 = 56,424.60 : x
  2. Step 2: Convert to fraction form
    56,424.60/81,356.40 = 56,424.60/x
  3. Step 3: Cross multiply
    56,424.60x = 81,356.40 × 56,424.60
  4. Step 4: Simplify right side
    56,424.60x = 4,590,502,327.44
  5. Step 5: Solve for x
    x = 4,590,502,327.44/56,424.60
  6. Step 6: Final answer
    x = 81,356.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.