Home / 117,045.16-161,522.13-66,068.62

Finding the Fourth Proportional to 117,045.16, 161,522.13 and 66,068.62

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Solution

The fourth proportional to 117,045.16, 161,522.13 and 66,068.62 is: 91,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,045.16 : 161,522.13 = 66,068.62 : x
  2. Step 2: Convert to fraction form
    117,045.16/161,522.13 = 66,068.62/x
  3. Step 3: Cross multiply
    117,045.16x = 161,522.13 × 66,068.62
  4. Step 4: Simplify right side
    117,045.16x = 10,671,544,228.56
  5. Step 5: Solve for x
    x = 10,671,544,228.56/117,045.16
  6. Step 6: Final answer
    x = 91,174.59

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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.