Home / 88,707.78-122,336.82-56,870.46

Finding the Fourth Proportional to 88,707.78, 122,336.82 and 56,870.46

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Solution

The fourth proportional to 88,707.78, 122,336.82 and 56,870.46 is: 78,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,707.78 : 122,336.82 = 56,870.46 : x
  2. Step 2: Convert to fraction form
    88,707.78/122,336.82 = 56,870.46/x
  3. Step 3: Cross multiply
    88,707.78x = 122,336.82 × 56,870.46
  4. Step 4: Simplify right side
    88,707.78x = 6,957,351,228.34
  5. Step 5: Solve for x
    x = 6,957,351,228.34/88,707.78
  6. Step 6: Final answer
    x = 78,430.00

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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.