Home / 72,733.59-100,376.33-40,904.37

Finding the Fourth Proportional to 72,733.59, 100,376.33 and 40,904.37

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Solution

The fourth proportional to 72,733.59, 100,376.33 and 40,904.37 is: 56,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,733.59 : 100,376.33 = 40,904.37 : x
  2. Step 2: Convert to fraction form
    72,733.59/100,376.33 = 40,904.37/x
  3. Step 3: Cross multiply
    72,733.59x = 100,376.33 × 40,904.37
  4. Step 4: Simplify right side
    72,733.59x = 4,105,830,337.04
  5. Step 5: Solve for x
    x = 4,105,830,337.04/72,733.59
  6. Step 6: Final answer
    x = 56,450.26

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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.