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Finding the Fourth Proportional to 67,745.77, 93,492.63 and 40,887.89

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Solution

The fourth proportional to 67,745.77, 93,492.63 and 40,887.89 is: 56,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,745.77 : 93,492.63 = 40,887.89 : x
  2. Step 2: Convert to fraction form
    67,745.77/93,492.63 = 40,887.89/x
  3. Step 3: Cross multiply
    67,745.77x = 93,492.63 × 40,887.89
  4. Step 4: Simplify right side
    67,745.77x = 3,822,716,254.38
  5. Step 5: Solve for x
    x = 3,822,716,254.38/67,745.77
  6. Step 6: Final answer
    x = 56,427.38

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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.