Home / 88,848.56-122,580.36-55,312.40

Finding the Fourth Proportional to 88,848.56, 122,580.36 and 55,312.40

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Solution

The fourth proportional to 88,848.56, 122,580.36 and 55,312.40 is: 76,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,848.56 : 122,580.36 = 55,312.40 : x
  2. Step 2: Convert to fraction form
    88,848.56/122,580.36 = 55,312.40/x
  3. Step 3: Cross multiply
    88,848.56x = 122,580.36 × 55,312.40
  4. Step 4: Simplify right side
    88,848.56x = 6,780,213,904.46
  5. Step 5: Solve for x
    x = 6,780,213,904.46/88,848.56
  6. Step 6: Final answer
    x = 76,312.03

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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.