Home / 93,271.76-128,714.46-50,830.28

Finding the Fourth Proportional to 93,271.76, 128,714.46 and 50,830.28

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Solution

The fourth proportional to 93,271.76, 128,714.46 and 50,830.28 is: 70,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,271.76 : 128,714.46 = 50,830.28 : x
  2. Step 2: Convert to fraction form
    93,271.76/128,714.46 = 50,830.28/x
  3. Step 3: Cross multiply
    93,271.76x = 128,714.46 × 50,830.28
  4. Step 4: Simplify right side
    93,271.76x = 6,542,592,041.85
  5. Step 5: Solve for x
    x = 6,542,592,041.85/93,271.76
  6. Step 6: Final answer
    x = 70,145.48

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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.