Home / 111,436.45-153,781.40-60,449.06

Finding the Fourth Proportional to 111,436.45, 153,781.40 and 60,449.06

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Solution

The fourth proportional to 111,436.45, 153,781.40 and 60,449.06 is: 83,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,436.45 : 153,781.40 = 60,449.06 : x
  2. Step 2: Convert to fraction form
    111,436.45/153,781.40 = 60,449.06/x
  3. Step 3: Cross multiply
    111,436.45x = 153,781.40 × 60,449.06
  4. Step 4: Simplify right side
    111,436.45x = 9,295,941,075.48
  5. Step 5: Solve for x
    x = 9,295,941,075.48/111,436.45
  6. Step 6: Final answer
    x = 83,419.21

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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.