Home / 71,069.37-98,075.71-40,860.60

Finding the Fourth Proportional to 71,069.37, 98,075.71 and 40,860.60

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Solution

The fourth proportional to 71,069.37, 98,075.71 and 40,860.60 is: 56,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.37 : 98,075.71 = 40,860.60 : x
  2. Step 2: Convert to fraction form
    71,069.37/98,075.71 = 40,860.60/x
  3. Step 3: Cross multiply
    71,069.37x = 98,075.71 × 40,860.60
  4. Step 4: Simplify right side
    71,069.37x = 4,007,432,590.99
  5. Step 5: Solve for x
    x = 4,007,432,590.99/71,069.37
  6. Step 6: Final answer
    x = 56,387.62

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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.