Home / 72,900.74-100,585.32-41,069.60

Finding the Fourth Proportional to 72,900.74, 100,585.32 and 41,069.60

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Solution

The fourth proportional to 72,900.74, 100,585.32 and 41,069.60 is: 56,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,900.74 : 100,585.32 = 41,069.60 : x
  2. Step 2: Convert to fraction form
    72,900.74/100,585.32 = 41,069.60/x
  3. Step 3: Cross multiply
    72,900.74x = 100,585.32 × 41,069.60
  4. Step 4: Simplify right side
    72,900.74x = 4,130,998,858.27
  5. Step 5: Solve for x
    x = 4,130,998,858.27/72,900.74
  6. Step 6: Final answer
    x = 56,666.08

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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.