Home / 88,433.67-122,119.55-56,178.70

Finding the Fourth Proportional to 88,433.67, 122,119.55 and 56,178.70

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Solution

The fourth proportional to 88,433.67, 122,119.55 and 56,178.70 is: 77,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,433.67 : 122,119.55 = 56,178.70 : x
  2. Step 2: Convert to fraction form
    88,433.67/122,119.55 = 56,178.70/x
  3. Step 3: Cross multiply
    88,433.67x = 122,119.55 × 56,178.70
  4. Step 4: Simplify right side
    88,433.67x = 6,860,517,563.59
  5. Step 5: Solve for x
    x = 6,860,517,563.59/88,433.67
  6. Step 6: Final answer
    x = 77,578.12

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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.