Home / 93,273.48-128,718.12-50,831.88

Finding the Fourth Proportional to 93,273.48, 128,718.12 and 50,831.88

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Solution

The fourth proportional to 93,273.48, 128,718.12 and 50,831.88 is: 70,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,273.48 : 128,718.12 = 50,831.88 : x
  2. Step 2: Convert to fraction form
    93,273.48/128,718.12 = 50,831.88/x
  3. Step 3: Cross multiply
    93,273.48x = 128,718.12 × 50,831.88
  4. Step 4: Simplify right side
    93,273.48x = 6,542,984,029.67
  5. Step 5: Solve for x
    x = 6,542,984,029.67/93,273.48
  6. Step 6: Final answer
    x = 70,148.39

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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.