Home / 56,119.03-77,444.72-30,625.60

Finding the Fourth Proportional to 56,119.03, 77,444.72 and 30,625.60

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Solution

The fourth proportional to 56,119.03, 77,444.72 and 30,625.60 is: 42,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.03 : 77,444.72 = 30,625.60 : x
  2. Step 2: Convert to fraction form
    56,119.03/77,444.72 = 30,625.60/x
  3. Step 3: Cross multiply
    56,119.03x = 77,444.72 × 30,625.60
  4. Step 4: Simplify right side
    56,119.03x = 2,371,790,670.09
  5. Step 5: Solve for x
    x = 2,371,790,670.09/56,119.03
  6. Step 6: Final answer
    x = 42,263.57

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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.