Home / 101,427.12-139,984.08-59,009.04

Finding the Fourth Proportional to 101,427.12, 139,984.08 and 59,009.04

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Solution

The fourth proportional to 101,427.12, 139,984.08 and 59,009.04 is: 81,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,427.12 : 139,984.08 = 59,009.04 : x
  2. Step 2: Convert to fraction form
    101,427.12/139,984.08 = 59,009.04/x
  3. Step 3: Cross multiply
    101,427.12x = 139,984.08 × 59,009.04
  4. Step 4: Simplify right side
    101,427.12x = 8,260,326,176.08
  5. Step 5: Solve for x
    x = 8,260,326,176.08/101,427.12
  6. Step 6: Final answer
    x = 81,441.00

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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.