Home / 58,045.62-79,994.48-45,278.57

Finding the Fourth Proportional to 58,045.62, 79,994.48 and 45,278.57

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Solution

The fourth proportional to 58,045.62, 79,994.48 and 45,278.57 is: 62,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,045.62 : 79,994.48 = 45,278.57 : x
  2. Step 2: Convert to fraction form
    58,045.62/79,994.48 = 45,278.57/x
  3. Step 3: Cross multiply
    58,045.62x = 79,994.48 × 45,278.57
  4. Step 4: Simplify right side
    58,045.62x = 3,622,035,035.93
  5. Step 5: Solve for x
    x = 3,622,035,035.93/58,045.62
  6. Step 6: Final answer
    x = 62,399.80

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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.