Home / 101,270.08-139,764.59-61,004.17

Finding the Fourth Proportional to 101,270.08, 139,764.59 and 61,004.17

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Solution

The fourth proportional to 101,270.08, 139,764.59 and 61,004.17 is: 84,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,270.08 : 139,764.59 = 61,004.17 : x
  2. Step 2: Convert to fraction form
    101,270.08/139,764.59 = 61,004.17/x
  3. Step 3: Cross multiply
    101,270.08x = 139,764.59 × 61,004.17
  4. Step 4: Simplify right side
    101,270.08x = 8,526,222,808.34
  5. Step 5: Solve for x
    x = 8,526,222,808.34/101,270.08
  6. Step 6: Final answer
    x = 84,192.91

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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.