Home / 93,330.16-128,754.63-63,104.55

Finding the Fourth Proportional to 93,330.16, 128,754.63 and 63,104.55

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Solution

The fourth proportional to 93,330.16, 128,754.63 and 63,104.55 is: 87,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,330.16 : 128,754.63 = 63,104.55 : x
  2. Step 2: Convert to fraction form
    93,330.16/128,754.63 = 63,104.55/x
  3. Step 3: Cross multiply
    93,330.16x = 128,754.63 × 63,104.55
  4. Step 4: Simplify right side
    93,330.16x = 8,125,002,986.57
  5. Step 5: Solve for x
    x = 8,125,002,986.57/93,330.16
  6. Step 6: Final answer
    x = 87,056.56

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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.