Home / 116,985.74-161,460.17-66,012.92

Finding the Fourth Proportional to 116,985.74, 161,460.17 and 66,012.92

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Solution

The fourth proportional to 116,985.74, 161,460.17 and 66,012.92 is: 91,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,985.74 : 161,460.17 = 66,012.92 : x
  2. Step 2: Convert to fraction form
    116,985.74/161,460.17 = 66,012.92/x
  3. Step 3: Cross multiply
    116,985.74x = 161,460.17 × 66,012.92
  4. Step 4: Simplify right side
    116,985.74x = 10,658,457,285.40
  5. Step 5: Solve for x
    x = 10,658,457,285.40/116,985.74
  6. Step 6: Final answer
    x = 91,109.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.