Home / 94,931.47-131,009.53-52,490

Finding the Fourth Proportional to 94,931.47, 131,009.53 and 52,490

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Solution

The fourth proportional to 94,931.47, 131,009.53 and 52,490 is: 72,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,931.47 : 131,009.53 = 52,490 : x
  2. Step 2: Convert to fraction form
    94,931.47/131,009.53 = 52,490/x
  3. Step 3: Cross multiply
    94,931.47x = 131,009.53 × 52,490
  4. Step 4: Simplify right side
    94,931.47x = 6,876,690,229.70
  5. Step 5: Solve for x
    x = 6,876,690,229.70/94,931.47
  6. Step 6: Final answer
    x = 72,438.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.