Home / 98,206.02-147,317.51-27,128.63

Finding the Fourth Proportional to 98,206.02, 147,317.51 and 27,128.63

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Solution

The fourth proportional to 98,206.02, 147,317.51 and 27,128.63 is: 40,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,206.02 : 147,317.51 = 27,128.63 : x
  2. Step 2: Convert to fraction form
    98,206.02/147,317.51 = 27,128.63/x
  3. Step 3: Cross multiply
    98,206.02x = 147,317.51 × 27,128.63
  4. Step 4: Simplify right side
    98,206.02x = 3,996,521,484.72
  5. Step 5: Solve for x
    x = 3,996,521,484.72/98,206.02
  6. Step 6: Final answer
    x = 40,695.28

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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.