Home / 111,020.07-153,211.34-60,719.07

Finding the Fourth Proportional to 111,020.07, 153,211.34 and 60,719.07

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Solution

The fourth proportional to 111,020.07, 153,211.34 and 60,719.07 is: 83,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,020.07 : 153,211.34 = 60,719.07 : x
  2. Step 2: Convert to fraction form
    111,020.07/153,211.34 = 60,719.07/x
  3. Step 3: Cross multiply
    111,020.07x = 153,211.34 × 60,719.07
  4. Step 4: Simplify right side
    111,020.07x = 9,302,849,774.66
  5. Step 5: Solve for x
    x = 9,302,849,774.66/111,020.07
  6. Step 6: Final answer
    x = 83,794.31

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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.