Home / 93,278.02-128,719.92-50,835.64

Finding the Fourth Proportional to 93,278.02, 128,719.92 and 50,835.64

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Solution

The fourth proportional to 93,278.02, 128,719.92 and 50,835.64 is: 70,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,278.02 : 128,719.92 = 50,835.64 : x
  2. Step 2: Convert to fraction form
    93,278.02/128,719.92 = 50,835.64/x
  3. Step 3: Cross multiply
    93,278.02x = 128,719.92 × 50,835.64
  4. Step 4: Simplify right side
    93,278.02x = 6,543,559,513.95
  5. Step 5: Solve for x
    x = 6,543,559,513.95/93,278.02
  6. Step 6: Final answer
    x = 70,151.14

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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.