Home / 72,725.88-100,345.37-42,094.23

Finding the Fourth Proportional to 72,725.88, 100,345.37 and 42,094.23

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Solution

The fourth proportional to 72,725.88, 100,345.37 and 42,094.23 is: 58,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,725.88 : 100,345.37 = 42,094.23 : x
  2. Step 2: Convert to fraction form
    72,725.88/100,345.37 = 42,094.23/x
  3. Step 3: Cross multiply
    72,725.88x = 100,345.37 × 42,094.23
  4. Step 4: Simplify right side
    72,725.88x = 4,223,961,084.22
  5. Step 5: Solve for x
    x = 4,223,961,084.22/72,725.88
  6. Step 6: Final answer
    x = 58,080.58

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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.