Home / 64,898.12-97,312.44-19,911.56

Finding the Fourth Proportional to 64,898.12, 97,312.44 and 19,911.56

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Solution

The fourth proportional to 64,898.12, 97,312.44 and 19,911.56 is: 29,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,898.12 : 97,312.44 = 19,911.56 : x
  2. Step 2: Convert to fraction form
    64,898.12/97,312.44 = 19,911.56/x
  3. Step 3: Cross multiply
    64,898.12x = 97,312.44 × 19,911.56
  4. Step 4: Simplify right side
    64,898.12x = 1,937,642,487.81
  5. Step 5: Solve for x
    x = 1,937,642,487.81/64,898.12
  6. Step 6: Final answer
    x = 29,856.68

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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.