Home / 97,782.57-134,908.35-54,755.62

Finding the Fourth Proportional to 97,782.57, 134,908.35 and 54,755.62

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Solution

The fourth proportional to 97,782.57, 134,908.35 and 54,755.62 is: 75,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,782.57 : 134,908.35 = 54,755.62 : x
  2. Step 2: Convert to fraction form
    97,782.57/134,908.35 = 54,755.62/x
  3. Step 3: Cross multiply
    97,782.57x = 134,908.35 × 54,755.62
  4. Step 4: Simplify right side
    97,782.57x = 7,386,989,804.82
  5. Step 5: Solve for x
    x = 7,386,989,804.82/97,782.57
  6. Step 6: Final answer
    x = 75,545.06

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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.