Home / 94,578.21-130,511.55-56,340.54

Finding the Fourth Proportional to 94,578.21, 130,511.55 and 56,340.54

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Solution

The fourth proportional to 94,578.21, 130,511.55 and 56,340.54 is: 77,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,578.21 : 130,511.55 = 56,340.54 : x
  2. Step 2: Convert to fraction form
    94,578.21/130,511.55 = 56,340.54/x
  3. Step 3: Cross multiply
    94,578.21x = 130,511.55 × 56,340.54
  4. Step 4: Simplify right side
    94,578.21x = 7,353,091,203.24
  5. Step 5: Solve for x
    x = 7,353,091,203.24/94,578.21
  6. Step 6: Final answer
    x = 77,746.14

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1.5x scale

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.