Home / 88,501.76-122,128.19-50,256.26

Finding the Fourth Proportional to 88,501.76, 122,128.19 and 50,256.26

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Solution

The fourth proportional to 88,501.76, 122,128.19 and 50,256.26 is: 69,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,501.76 : 122,128.19 = 50,256.26 : x
  2. Step 2: Convert to fraction form
    88,501.76/122,128.19 = 50,256.26/x
  3. Step 3: Cross multiply
    88,501.76x = 122,128.19 × 50,256.26
  4. Step 4: Simplify right side
    88,501.76x = 6,137,706,541.46
  5. Step 5: Solve for x
    x = 6,137,706,541.46/88,501.76
  6. Step 6: Final answer
    x = 69,351.23

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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.