Home / 94,639.49-141,784.28-47,780.45

Finding the Fourth Proportional to 94,639.49, 141,784.28 and 47,780.45

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Solution

The fourth proportional to 94,639.49, 141,784.28 and 47,780.45 is: 71,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,639.49 : 141,784.28 = 47,780.45 : x
  2. Step 2: Convert to fraction form
    94,639.49/141,784.28 = 47,780.45/x
  3. Step 3: Cross multiply
    94,639.49x = 141,784.28 × 47,780.45
  4. Step 4: Simplify right side
    94,639.49x = 6,774,516,462.42
  5. Step 5: Solve for x
    x = 6,774,516,462.42/94,639.49
  6. Step 6: Final answer
    x = 71,582.34

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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.