Home / 105,608.75-145,704.19-60,254.15

Finding the Fourth Proportional to 105,608.75, 145,704.19 and 60,254.15

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Solution

The fourth proportional to 105,608.75, 145,704.19 and 60,254.15 is: 83,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,608.75 : 145,704.19 = 60,254.15 : x
  2. Step 2: Convert to fraction form
    105,608.75/145,704.19 = 60,254.15/x
  3. Step 3: Cross multiply
    105,608.75x = 145,704.19 × 60,254.15
  4. Step 4: Simplify right side
    105,608.75x = 8,779,282,119.89
  5. Step 5: Solve for x
    x = 8,779,282,119.89/105,608.75
  6. Step 6: Final answer
    x = 83,130.25

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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.