Home / 93,719.80-129,334.26-51,280.12

Finding the Fourth Proportional to 93,719.80, 129,334.26 and 51,280.12

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Solution

The fourth proportional to 93,719.80, 129,334.26 and 51,280.12 is: 70,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,719.80 : 129,334.26 = 51,280.12 : x
  2. Step 2: Convert to fraction form
    93,719.80/129,334.26 = 51,280.12/x
  3. Step 3: Cross multiply
    93,719.80x = 129,334.26 × 51,280.12
  4. Step 4: Simplify right side
    93,719.80x = 6,632,276,372.91
  5. Step 5: Solve for x
    x = 6,632,276,372.91/93,719.80
  6. Step 6: Final answer
    x = 70,767.08

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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.