Home / 94,938.48-142,406.34-28,377.12

Finding the Fourth Proportional to 94,938.48, 142,406.34 and 28,377.12

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Solution

The fourth proportional to 94,938.48, 142,406.34 and 28,377.12 is: 42,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,938.48 : 142,406.34 = 28,377.12 : x
  2. Step 2: Convert to fraction form
    94,938.48/142,406.34 = 28,377.12/x
  3. Step 3: Cross multiply
    94,938.48x = 142,406.34 × 28,377.12
  4. Step 4: Simplify right side
    94,938.48x = 4,041,081,798.94
  5. Step 5: Solve for x
    x = 4,041,081,798.94/94,938.48
  6. Step 6: Final answer
    x = 42,565.27

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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.