Home / 103,623.06-142,998.40-60,632.11

Finding the Fourth Proportional to 103,623.06, 142,998.40 and 60,632.11

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Solution

The fourth proportional to 103,623.06, 142,998.40 and 60,632.11 is: 83,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.06 : 142,998.40 = 60,632.11 : x
  2. Step 2: Convert to fraction form
    103,623.06/142,998.40 = 60,632.11/x
  3. Step 3: Cross multiply
    103,623.06x = 142,998.40 × 60,632.11
  4. Step 4: Simplify right side
    103,623.06x = 8,670,294,718.62
  5. Step 5: Solve for x
    x = 8,670,294,718.62/103,623.06
  6. Step 6: Final answer
    x = 83,671.48

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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.