Home / 65,628.23-98,457.93-21,254.94

Finding the Fourth Proportional to 65,628.23, 98,457.93 and 21,254.94

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Solution

The fourth proportional to 65,628.23, 98,457.93 and 21,254.94 is: 31,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,628.23 : 98,457.93 = 21,254.94 : x
  2. Step 2: Convert to fraction form
    65,628.23/98,457.93 = 21,254.94/x
  3. Step 3: Cross multiply
    65,628.23x = 98,457.93 × 21,254.94
  4. Step 4: Simplify right side
    65,628.23x = 2,092,717,394.67
  5. Step 5: Solve for x
    x = 2,092,717,394.67/65,628.23
  6. Step 6: Final answer
    x = 31,887.46

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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.