Home / 64,312.03-96,471.69-19,945.09

Finding the Fourth Proportional to 64,312.03, 96,471.69 and 19,945.09

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Solution

The fourth proportional to 64,312.03, 96,471.69 and 19,945.09 is: 29,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,312.03 : 96,471.69 = 19,945.09 : x
  2. Step 2: Convert to fraction form
    64,312.03/96,471.69 = 19,945.09/x
  3. Step 3: Cross multiply
    64,312.03x = 96,471.69 × 19,945.09
  4. Step 4: Simplify right side
    64,312.03x = 1,924,136,539.50
  5. Step 5: Solve for x
    x = 1,924,136,539.50/64,312.03
  6. Step 6: Final answer
    x = 29,918.77

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1.5x scale

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.