Home / 93,063.87-128,399.18-52,774.47

Finding the Fourth Proportional to 93,063.87, 128,399.18 and 52,774.47

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Solution

The fourth proportional to 93,063.87, 128,399.18 and 52,774.47 is: 72,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,063.87 : 128,399.18 = 52,774.47 : x
  2. Step 2: Convert to fraction form
    93,063.87/128,399.18 = 52,774.47/x
  3. Step 3: Cross multiply
    93,063.87x = 128,399.18 × 52,774.47
  4. Step 4: Simplify right side
    93,063.87x = 6,776,198,409.06
  5. Step 5: Solve for x
    x = 6,776,198,409.06/93,063.87
  6. Step 6: Final answer
    x = 72,812.34

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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.