Home / 93,979.32-129,674.88-53,687.52

Finding the Fourth Proportional to 93,979.32, 129,674.88 and 53,687.52

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Solution

The fourth proportional to 93,979.32, 129,674.88 and 53,687.52 is: 74,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,979.32 : 129,674.88 = 53,687.52 : x
  2. Step 2: Convert to fraction form
    93,979.32/129,674.88 = 53,687.52/x
  3. Step 3: Cross multiply
    93,979.32x = 129,674.88 × 53,687.52
  4. Step 4: Simplify right side
    93,979.32x = 6,961,922,713.50
  5. Step 5: Solve for x
    x = 6,961,922,713.50/93,979.32
  6. Step 6: Final answer
    x = 74,079.31

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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.