Home / 103,085.34-142,244.49-60,628.38

Finding the Fourth Proportional to 103,085.34, 142,244.49 and 60,628.38

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Solution

The fourth proportional to 103,085.34, 142,244.49 and 60,628.38 is: 83,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,085.34 : 142,244.49 = 60,628.38 : x
  2. Step 2: Convert to fraction form
    103,085.34/142,244.49 = 60,628.38/x
  3. Step 3: Cross multiply
    103,085.34x = 142,244.49 × 60,628.38
  4. Step 4: Simplify right side
    103,085.34x = 8,624,052,992.63
  5. Step 5: Solve for x
    x = 8,624,052,992.63/103,085.34
  6. Step 6: Final answer
    x = 83,659.35

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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.