Home / 103,026.84-142,160.47-57,706.73

Finding the Fourth Proportional to 103,026.84, 142,160.47 and 57,706.73

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Solution

The fourth proportional to 103,026.84, 142,160.47 and 57,706.73 is: 79,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,026.84 : 142,160.47 = 57,706.73 : x
  2. Step 2: Convert to fraction form
    103,026.84/142,160.47 = 57,706.73/x
  3. Step 3: Cross multiply
    103,026.84x = 142,160.47 × 57,706.73
  4. Step 4: Simplify right side
    103,026.84x = 8,203,615,537.00
  5. Step 5: Solve for x
    x = 8,203,615,537.00/103,026.84
  6. Step 6: Final answer
    x = 79,626.01

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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.