Home / 46,972.20-70,467.90-15,810.60

Finding the Fourth Proportional to 46,972.20, 70,467.90 and 15,810.60

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Solution

The fourth proportional to 46,972.20, 70,467.90 and 15,810.60 is: 23,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,972.20 : 70,467.90 = 15,810.60 : x
  2. Step 2: Convert to fraction form
    46,972.20/70,467.90 = 15,810.60/x
  3. Step 3: Cross multiply
    46,972.20x = 70,467.90 × 15,810.60
  4. Step 4: Simplify right side
    46,972.20x = 1,114,139,779.74
  5. Step 5: Solve for x
    x = 1,114,139,779.74/46,972.20
  6. Step 6: Final answer
    x = 23,719.13

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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.