Home / 93,947.91-129,546.86-71,328.39

Finding the Fourth Proportional to 93,947.91, 129,546.86 and 71,328.39

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Solution

The fourth proportional to 93,947.91, 129,546.86 and 71,328.39 is: 98,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,947.91 : 129,546.86 = 71,328.39 : x
  2. Step 2: Convert to fraction form
    93,947.91/129,546.86 = 71,328.39/x
  3. Step 3: Cross multiply
    93,947.91x = 129,546.86 × 71,328.39
  4. Step 4: Simplify right side
    93,947.91x = 9,240,368,596.71
  5. Step 5: Solve for x
    x = 9,240,368,596.71/93,947.91
  6. Step 6: Final answer
    x = 98,356.30

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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.