Home / 72,476.46-100,017.27-40,645.26

Finding the Fourth Proportional to 72,476.46, 100,017.27 and 40,645.26

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Solution

The fourth proportional to 72,476.46, 100,017.27 and 40,645.26 is: 56,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,476.46 : 100,017.27 = 40,645.26 : x
  2. Step 2: Convert to fraction form
    72,476.46/100,017.27 = 40,645.26/x
  3. Step 3: Cross multiply
    72,476.46x = 100,017.27 × 40,645.26
  4. Step 4: Simplify right side
    72,476.46x = 4,065,227,943.64
  5. Step 5: Solve for x
    x = 4,065,227,943.64/72,476.46
  6. Step 6: Final answer
    x = 56,090.32

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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.