Home / 124,078.08-171,227.86-70,363.32

Finding the Fourth Proportional to 124,078.08, 171,227.86 and 70,363.32

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Solution

The fourth proportional to 124,078.08, 171,227.86 and 70,363.32 is: 97,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,078.08 : 171,227.86 = 70,363.32 : x
  2. Step 2: Convert to fraction form
    124,078.08/171,227.86 = 70,363.32/x
  3. Step 3: Cross multiply
    124,078.08x = 171,227.86 × 70,363.32
  4. Step 4: Simplify right side
    124,078.08x = 12,048,160,706.10
  5. Step 5: Solve for x
    x = 12,048,160,706.10/124,078.08
  6. Step 6: Final answer
    x = 97,101.44

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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.