Home / 90,916.56-125,627.55-70,825.32

Finding the Fourth Proportional to 90,916.56, 125,627.55 and 70,825.32

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Solution

The fourth proportional to 90,916.56, 125,627.55 and 70,825.32 is: 97,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,916.56 : 125,627.55 = 70,825.32 : x
  2. Step 2: Convert to fraction form
    90,916.56/125,627.55 = 70,825.32/x
  3. Step 3: Cross multiply
    90,916.56x = 125,627.55 × 70,825.32
  4. Step 4: Simplify right side
    90,916.56x = 8,897,611,429.57
  5. Step 5: Solve for x
    x = 8,897,611,429.57/90,916.56
  6. Step 6: Final answer
    x = 97,865.69

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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.