Home / 66,153.47-99,427.04-31,117.73

Finding the Fourth Proportional to 66,153.47, 99,427.04 and 31,117.73

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Solution

The fourth proportional to 66,153.47, 99,427.04 and 31,117.73 is: 46,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,153.47 : 99,427.04 = 31,117.73 : x
  2. Step 2: Convert to fraction form
    66,153.47/99,427.04 = 31,117.73/x
  3. Step 3: Cross multiply
    66,153.47x = 99,427.04 × 31,117.73
  4. Step 4: Simplify right side
    66,153.47x = 3,093,943,629.83
  5. Step 5: Solve for x
    x = 3,093,943,629.83/66,153.47
  6. Step 6: Final answer
    x = 46,769.18

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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.