Home / 94,931.79-142,418.13-28,377.33

Finding the Fourth Proportional to 94,931.79, 142,418.13 and 28,377.33

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Solution

The fourth proportional to 94,931.79, 142,418.13 and 28,377.33 is: 42,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,931.79 : 142,418.13 = 28,377.33 : x
  2. Step 2: Convert to fraction form
    94,931.79/142,418.13 = 28,377.33/x
  3. Step 3: Cross multiply
    94,931.79x = 142,418.13 × 28,377.33
  4. Step 4: Simplify right side
    94,931.79x = 4,041,446,272.99
  5. Step 5: Solve for x
    x = 4,041,446,272.99/94,931.79
  6. Step 6: Final answer
    x = 42,572.11

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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.