Home / 93,274.02-128,714.40-50,831.64

Finding the Fourth Proportional to 93,274.02, 128,714.40 and 50,831.64

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Solution

The fourth proportional to 93,274.02, 128,714.40 and 50,831.64 is: 70,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,274.02 : 128,714.40 = 50,831.64 : x
  2. Step 2: Convert to fraction form
    93,274.02/128,714.40 = 50,831.64/x
  3. Step 3: Cross multiply
    93,274.02x = 128,714.40 × 50,831.64
  4. Step 4: Simplify right side
    93,274.02x = 6,542,764,043.62
  5. Step 5: Solve for x
    x = 6,542,764,043.62/93,274.02
  6. Step 6: Final answer
    x = 70,145.62

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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.