Home / 111,889.42-154,407.41-60,902.35

Finding the Fourth Proportional to 111,889.42, 154,407.41 and 60,902.35

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Solution

The fourth proportional to 111,889.42, 154,407.41 and 60,902.35 is: 84,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,889.42 : 154,407.41 = 60,902.35 : x
  2. Step 2: Convert to fraction form
    111,889.42/154,407.41 = 60,902.35/x
  3. Step 3: Cross multiply
    111,889.42x = 154,407.41 × 60,902.35
  4. Step 4: Simplify right side
    111,889.42x = 9,403,774,126.41
  5. Step 5: Solve for x
    x = 9,403,774,126.41/111,889.42
  6. Step 6: Final answer
    x = 84,045.25

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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.