Home / 111,913.80-154,437.28-60,925.57

Finding the Fourth Proportional to 111,913.80, 154,437.28 and 60,925.57

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Solution

The fourth proportional to 111,913.80, 154,437.28 and 60,925.57 is: 84,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,913.80 : 154,437.28 = 60,925.57 : x
  2. Step 2: Convert to fraction form
    111,913.80/154,437.28 = 60,925.57/x
  3. Step 3: Cross multiply
    111,913.80x = 154,437.28 × 60,925.57
  4. Step 4: Simplify right side
    111,913.80x = 9,409,179,117.55
  5. Step 5: Solve for x
    x = 9,409,179,117.55/111,913.80
  6. Step 6: Final answer
    x = 84,075.23

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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.