Home / 65,678.93-98,532.24-21,302.23

Finding the Fourth Proportional to 65,678.93, 98,532.24 and 21,302.23

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Solution

The fourth proportional to 65,678.93, 98,532.24 and 21,302.23 is: 31,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,678.93 : 98,532.24 = 21,302.23 : x
  2. Step 2: Convert to fraction form
    65,678.93/98,532.24 = 21,302.23/x
  3. Step 3: Cross multiply
    65,678.93x = 98,532.24 × 21,302.23
  4. Step 4: Simplify right side
    65,678.93x = 2,098,956,020.31
  5. Step 5: Solve for x
    x = 2,098,956,020.31/65,678.93
  6. Step 6: Final answer
    x = 31,957.83

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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.