Home / 66,691.63-99,926.37-46,928.67

Finding the Fourth Proportional to 66,691.63, 99,926.37 and 46,928.67

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Solution

The fourth proportional to 66,691.63, 99,926.37 and 46,928.67 is: 70,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,691.63 : 99,926.37 = 46,928.67 : x
  2. Step 2: Convert to fraction form
    66,691.63/99,926.37 = 46,928.67/x
  3. Step 3: Cross multiply
    66,691.63x = 99,926.37 × 46,928.67
  4. Step 4: Simplify right side
    66,691.63x = 4,689,411,267.30
  5. Step 5: Solve for x
    x = 4,689,411,267.30/66,691.63
  6. Step 6: Final answer
    x = 70,314.84

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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.