Home / 66,056.56-99,095.17-21,673.22

Finding the Fourth Proportional to 66,056.56, 99,095.17 and 21,673.22

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Solution

The fourth proportional to 66,056.56, 99,095.17 and 21,673.22 is: 32,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,056.56 : 99,095.17 = 21,673.22 : x
  2. Step 2: Convert to fraction form
    66,056.56/99,095.17 = 21,673.22/x
  3. Step 3: Cross multiply
    66,056.56x = 99,095.17 × 21,673.22
  4. Step 4: Simplify right side
    66,056.56x = 2,147,710,816.51
  5. Step 5: Solve for x
    x = 2,147,710,816.51/66,056.56
  6. Step 6: Final answer
    x = 32,513.21

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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.