Home / 85,524.17-118,039.56-56,401.25

Finding the Fourth Proportional to 85,524.17, 118,039.56 and 56,401.25

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Solution

The fourth proportional to 85,524.17, 118,039.56 and 56,401.25 is: 77,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524.17 : 118,039.56 = 56,401.25 : x
  2. Step 2: Convert to fraction form
    85,524.17/118,039.56 = 56,401.25/x
  3. Step 3: Cross multiply
    85,524.17x = 118,039.56 × 56,401.25
  4. Step 4: Simplify right side
    85,524.17x = 6,657,578,733.45
  5. Step 5: Solve for x
    x = 6,657,578,733.45/85,524.17
  6. Step 6: Final answer
    x = 77,844.41

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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.