Home / 55,312.48-82,968.36-33,132.16

Finding the Fourth Proportional to 55,312.48, 82,968.36 and 33,132.16

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Solution

The fourth proportional to 55,312.48, 82,968.36 and 33,132.16 is: 49,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.48 : 82,968.36 = 33,132.16 : x
  2. Step 2: Convert to fraction form
    55,312.48/82,968.36 = 33,132.16/x
  3. Step 3: Cross multiply
    55,312.48x = 82,968.36 × 33,132.16
  4. Step 4: Simplify right side
    55,312.48x = 2,748,920,978.46
  5. Step 5: Solve for x
    x = 2,748,920,978.46/55,312.48
  6. Step 6: Final answer
    x = 49,698.02

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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.