Home / 93,719.76-129,333.27-51,278.30

Finding the Fourth Proportional to 93,719.76, 129,333.27 and 51,278.30

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Solution

The fourth proportional to 93,719.76, 129,333.27 and 51,278.30 is: 70,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,719.76 : 129,333.27 = 51,278.30 : x
  2. Step 2: Convert to fraction form
    93,719.76/129,333.27 = 51,278.30/x
  3. Step 3: Cross multiply
    93,719.76x = 129,333.27 × 51,278.30
  4. Step 4: Simplify right side
    93,719.76x = 6,631,989,572.37
  5. Step 5: Solve for x
    x = 6,631,989,572.37/93,719.76
  6. Step 6: Final answer
    x = 70,764.05

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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.