Home / 72,912.08-109,368.12-41,725.64

Finding the Fourth Proportional to 72,912.08, 109,368.12 and 41,725.64

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Solution

The fourth proportional to 72,912.08, 109,368.12 and 41,725.64 is: 62,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,912.08 : 109,368.12 = 41,725.64 : x
  2. Step 2: Convert to fraction form
    72,912.08/109,368.12 = 41,725.64/x
  3. Step 3: Cross multiply
    72,912.08x = 109,368.12 × 41,725.64
  4. Step 4: Simplify right side
    72,912.08x = 4,563,454,802.60
  5. Step 5: Solve for x
    x = 4,563,454,802.60/72,912.08
  6. Step 6: Final answer
    x = 62,588.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.