Home / 107,915.94-148,924.80-60,172.38

Finding the Fourth Proportional to 107,915.94, 148,924.80 and 60,172.38

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Solution

The fourth proportional to 107,915.94, 148,924.80 and 60,172.38 is: 83,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,915.94 : 148,924.80 = 60,172.38 : x
  2. Step 2: Convert to fraction form
    107,915.94/148,924.80 = 60,172.38/x
  3. Step 3: Cross multiply
    107,915.94x = 148,924.80 × 60,172.38
  4. Step 4: Simplify right side
    107,915.94x = 8,961,159,657.02
  5. Step 5: Solve for x
    x = 8,961,159,657.02/107,915.94
  6. Step 6: Final answer
    x = 83,038.33

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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.