Home / 66,075.57-99,125.66-30,054.62

Finding the Fourth Proportional to 66,075.57, 99,125.66 and 30,054.62

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Solution

The fourth proportional to 66,075.57, 99,125.66 and 30,054.62 is: 45,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,075.57 : 99,125.66 = 30,054.62 : x
  2. Step 2: Convert to fraction form
    66,075.57/99,125.66 = 30,054.62/x
  3. Step 3: Cross multiply
    66,075.57x = 99,125.66 × 30,054.62
  4. Step 4: Simplify right side
    66,075.57x = 2,979,184,043.55
  5. Step 5: Solve for x
    x = 2,979,184,043.55/66,075.57
  6. Step 6: Final answer
    x = 45,087.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.