Home / 88,681.02-122,400.75-50,977.14

Finding the Fourth Proportional to 88,681.02, 122,400.75 and 50,977.14

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Solution

The fourth proportional to 88,681.02, 122,400.75 and 50,977.14 is: 70,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.02 : 122,400.75 = 50,977.14 : x
  2. Step 2: Convert to fraction form
    88,681.02/122,400.75 = 50,977.14/x
  3. Step 3: Cross multiply
    88,681.02x = 122,400.75 × 50,977.14
  4. Step 4: Simplify right side
    88,681.02x = 6,239,640,168.86
  5. Step 5: Solve for x
    x = 6,239,640,168.86/88,681.02
  6. Step 6: Final answer
    x = 70,360.49

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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.