Home / 66,273.07-99,453.34-35,130.19

Finding the Fourth Proportional to 66,273.07, 99,453.34 and 35,130.19

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Solution

The fourth proportional to 66,273.07, 99,453.34 and 35,130.19 is: 52,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,273.07 : 99,453.34 = 35,130.19 : x
  2. Step 2: Convert to fraction form
    66,273.07/99,453.34 = 35,130.19/x
  3. Step 3: Cross multiply
    66,273.07x = 99,453.34 × 35,130.19
  4. Step 4: Simplify right side
    66,273.07x = 3,493,814,810.89
  5. Step 5: Solve for x
    x = 3,493,814,810.89/66,273.07
  6. Step 6: Final answer
    x = 52,718.47

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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.