Home / 112,088.40-167,938.20-72,625.20

Finding the Fourth Proportional to 112,088.40, 167,938.20 and 72,625.20

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Solution

The fourth proportional to 112,088.40, 167,938.20 and 72,625.20 is: 108,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,088.40 : 167,938.20 = 72,625.20 : x
  2. Step 2: Convert to fraction form
    112,088.40/167,938.20 = 72,625.20/x
  3. Step 3: Cross multiply
    112,088.40x = 167,938.20 × 72,625.20
  4. Step 4: Simplify right side
    112,088.40x = 12,196,545,362.64
  5. Step 5: Solve for x
    x = 12,196,545,362.64/112,088.40
  6. Step 6: Final answer
    x = 108,811.84

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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.