Home / 85,071.87-127,607.81-22,740.75

Finding the Fourth Proportional to 85,071.87, 127,607.81 and 22,740.75

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Solution

The fourth proportional to 85,071.87, 127,607.81 and 22,740.75 is: 34,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.87 : 127,607.81 = 22,740.75 : x
  2. Step 2: Convert to fraction form
    85,071.87/127,607.81 = 22,740.75/x
  3. Step 3: Cross multiply
    85,071.87x = 127,607.81 × 22,740.75
  4. Step 4: Simplify right side
    85,071.87x = 2,901,897,191.55
  5. Step 5: Solve for x
    x = 2,901,897,191.55/85,071.87
  6. Step 6: Final answer
    x = 34,111.13

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1.5x scale

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.