Home / 106,778.40-147,351.60-59,030.52

Finding the Fourth Proportional to 106,778.40, 147,351.60 and 59,030.52

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Solution

The fourth proportional to 106,778.40, 147,351.60 and 59,030.52 is: 81,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,778.40 : 147,351.60 = 59,030.52 : x
  2. Step 2: Convert to fraction form
    106,778.40/147,351.60 = 59,030.52/x
  3. Step 3: Cross multiply
    106,778.40x = 147,351.60 × 59,030.52
  4. Step 4: Simplify right side
    106,778.40x = 8,698,241,570.83
  5. Step 5: Solve for x
    x = 8,698,241,570.83/106,778.40
  6. Step 6: Final answer
    x = 81,460.68

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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.