Home / 108,071.64-162,088.56-48,893.40

Finding the Fourth Proportional to 108,071.64, 162,088.56 and 48,893.40

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Solution

The fourth proportional to 108,071.64, 162,088.56 and 48,893.40 is: 73,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,071.64 : 162,088.56 = 48,893.40 : x
  2. Step 2: Convert to fraction form
    108,071.64/162,088.56 = 48,893.40/x
  3. Step 3: Cross multiply
    108,071.64x = 162,088.56 × 48,893.40
  4. Step 4: Simplify right side
    108,071.64x = 7,925,060,799.50
  5. Step 5: Solve for x
    x = 7,925,060,799.50/108,071.64
  6. Step 6: Final answer
    x = 73,331.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.