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Finding the Fourth Proportional to 58,090.77, 80,015.89 and 41,065.74

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Solution

The fourth proportional to 58,090.77, 80,015.89 and 41,065.74 is: 56,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,090.77 : 80,015.89 = 41,065.74 : x
  2. Step 2: Convert to fraction form
    58,090.77/80,015.89 = 41,065.74/x
  3. Step 3: Cross multiply
    58,090.77x = 80,015.89 × 41,065.74
  4. Step 4: Simplify right side
    58,090.77x = 3,285,911,734.61
  5. Step 5: Solve for x
    x = 3,285,911,734.61/58,090.77
  6. Step 6: Final answer
    x = 56,565.13

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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.