Home / 91,093.05-136,666.35-46,750.77

Finding the Fourth Proportional to 91,093.05, 136,666.35 and 46,750.77

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Solution

The fourth proportional to 91,093.05, 136,666.35 and 46,750.77 is: 70,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,093.05 : 136,666.35 = 46,750.77 : x
  2. Step 2: Convert to fraction form
    91,093.05/136,666.35 = 46,750.77/x
  3. Step 3: Cross multiply
    91,093.05x = 136,666.35 × 46,750.77
  4. Step 4: Simplify right side
    91,093.05x = 6,389,257,095.59
  5. Step 5: Solve for x
    x = 6,389,257,095.59/91,093.05
  6. Step 6: Final answer
    x = 70,139.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.