Home / 88,537.32-122,127.78-52,703.40

Finding the Fourth Proportional to 88,537.32, 122,127.78 and 52,703.40

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Solution

The fourth proportional to 88,537.32, 122,127.78 and 52,703.40 is: 72,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,537.32 : 122,127.78 = 52,703.40 : x
  2. Step 2: Convert to fraction form
    88,537.32/122,127.78 = 52,703.40/x
  3. Step 3: Cross multiply
    88,537.32x = 122,127.78 × 52,703.40
  4. Step 4: Simplify right side
    88,537.32x = 6,436,549,240.45
  5. Step 5: Solve for x
    x = 6,436,549,240.45/88,537.32
  6. Step 6: Final answer
    x = 72,698.71

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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.