Home / 46,445.11-64,120.81-30,575.69

Finding the Fourth Proportional to 46,445.11, 64,120.81 and 30,575.69

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Solution

The fourth proportional to 46,445.11, 64,120.81 and 30,575.69 is: 42,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,445.11 : 64,120.81 = 30,575.69 : x
  2. Step 2: Convert to fraction form
    46,445.11/64,120.81 = 30,575.69/x
  3. Step 3: Cross multiply
    46,445.11x = 64,120.81 × 30,575.69
  4. Step 4: Simplify right side
    46,445.11x = 1,960,537,688.50
  5. Step 5: Solve for x
    x = 1,960,537,688.50/46,445.11
  6. Step 6: Final answer
    x = 42,211.93

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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.