Home / 124,015.08-171,140.42-67,426.60

Finding the Fourth Proportional to 124,015.08, 171,140.42 and 67,426.60

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Solution

The fourth proportional to 124,015.08, 171,140.42 and 67,426.60 is: 93,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,015.08 : 171,140.42 = 67,426.60 : x
  2. Step 2: Convert to fraction form
    124,015.08/171,140.42 = 67,426.60/x
  3. Step 3: Cross multiply
    124,015.08x = 171,140.42 × 67,426.60
  4. Step 4: Simplify right side
    124,015.08x = 11,539,416,643.17
  5. Step 5: Solve for x
    x = 11,539,416,643.17/124,015.08
  6. Step 6: Final answer
    x = 93,048.50

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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.