Home / 102,687.03-141,705.33-56,118.06

Finding the Fourth Proportional to 102,687.03, 141,705.33 and 56,118.06

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Solution

The fourth proportional to 102,687.03, 141,705.33 and 56,118.06 is: 77,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,687.03 : 141,705.33 = 56,118.06 : x
  2. Step 2: Convert to fraction form
    102,687.03/141,705.33 = 56,118.06/x
  3. Step 3: Cross multiply
    102,687.03x = 141,705.33 × 56,118.06
  4. Step 4: Simplify right side
    102,687.03x = 7,952,228,211.26
  5. Step 5: Solve for x
    x = 7,952,228,211.26/102,687.03
  6. Step 6: Final answer
    x = 77,441.41

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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.