Home / 85,739.09-118,314.23-47,496.06

Finding the Fourth Proportional to 85,739.09, 118,314.23 and 47,496.06

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Solution

The fourth proportional to 85,739.09, 118,314.23 and 47,496.06 is: 65,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,739.09 : 118,314.23 = 47,496.06 : x
  2. Step 2: Convert to fraction form
    85,739.09/118,314.23 = 47,496.06/x
  3. Step 3: Cross multiply
    85,739.09x = 118,314.23 × 47,496.06
  4. Step 4: Simplify right side
    85,739.09x = 5,619,459,529.45
  5. Step 5: Solve for x
    x = 5,619,459,529.45/85,739.09
  6. Step 6: Final answer
    x = 65,541.40

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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.