Home / 124,140.72-171,317.48-67,555.60

Finding the Fourth Proportional to 124,140.72, 171,317.48 and 67,555.60

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Solution

The fourth proportional to 124,140.72, 171,317.48 and 67,555.60 is: 93,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,140.72 : 171,317.48 = 67,555.60 : x
  2. Step 2: Convert to fraction form
    124,140.72/171,317.48 = 67,555.60/x
  3. Step 3: Cross multiply
    124,140.72x = 171,317.48 × 67,555.60
  4. Step 4: Simplify right side
    124,140.72x = 11,573,455,151.89
  5. Step 5: Solve for x
    x = 11,573,455,151.89/124,140.72
  6. Step 6: Final answer
    x = 93,228.52

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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.