Home / 88,897.23-122,688.81-51,178.77

Finding the Fourth Proportional to 88,897.23, 122,688.81 and 51,178.77

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Solution

The fourth proportional to 88,897.23, 122,688.81 and 51,178.77 is: 70,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,897.23 : 122,688.81 = 51,178.77 : x
  2. Step 2: Convert to fraction form
    88,897.23/122,688.81 = 51,178.77/x
  3. Step 3: Cross multiply
    88,897.23x = 122,688.81 × 51,178.77
  4. Step 4: Simplify right side
    88,897.23x = 6,279,062,388.56
  5. Step 5: Solve for x
    x = 6,279,062,388.56/88,897.23
  6. Step 6: Final answer
    x = 70,632.82

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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.