Home / 94,688.29-142,054.30-28,126.94

Finding the Fourth Proportional to 94,688.29, 142,054.30 and 28,126.94

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Solution

The fourth proportional to 94,688.29, 142,054.30 and 28,126.94 is: 42,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,688.29 : 142,054.30 = 28,126.94 : x
  2. Step 2: Convert to fraction form
    94,688.29/142,054.30 = 28,126.94/x
  3. Step 3: Cross multiply
    94,688.29x = 142,054.30 × 28,126.94
  4. Step 4: Simplify right side
    94,688.29x = 3,995,552,772.84
  5. Step 5: Solve for x
    x = 3,995,552,772.84/94,688.29
  6. Step 6: Final answer
    x = 42,196.91

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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.