Home / 111,915.30-154,439.35-60,927.07

Finding the Fourth Proportional to 111,915.30, 154,439.35 and 60,927.07

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Solution

The fourth proportional to 111,915.30, 154,439.35 and 60,927.07 is: 84,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,915.30 : 154,439.35 = 60,927.07 : x
  2. Step 2: Convert to fraction form
    111,915.30/154,439.35 = 60,927.07/x
  3. Step 3: Cross multiply
    111,915.30x = 154,439.35 × 60,927.07
  4. Step 4: Simplify right side
    111,915.30x = 9,409,537,088.20
  5. Step 5: Solve for x
    x = 9,409,537,088.20/111,915.30
  6. Step 6: Final answer
    x = 84,077.31

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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.