Home / 46,921.12-70,384.10-11,861.08

Finding the Fourth Proportional to 46,921.12, 70,384.10 and 11,861.08

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Solution

The fourth proportional to 46,921.12, 70,384.10 and 11,861.08 is: 17,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,921.12 : 70,384.10 = 11,861.08 : x
  2. Step 2: Convert to fraction form
    46,921.12/70,384.10 = 11,861.08/x
  3. Step 3: Cross multiply
    46,921.12x = 70,384.10 × 11,861.08
  4. Step 4: Simplify right side
    46,921.12x = 834,831,440.83
  5. Step 5: Solve for x
    x = 834,831,440.83/46,921.12
  6. Step 6: Final answer
    x = 17,792.23

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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.