Home / 93,439.73-128,938.53-52,043.55

Finding the Fourth Proportional to 93,439.73, 128,938.53 and 52,043.55

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Solution

The fourth proportional to 93,439.73, 128,938.53 and 52,043.55 is: 71,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,439.73 : 128,938.53 = 52,043.55 : x
  2. Step 2: Convert to fraction form
    93,439.73/128,938.53 = 52,043.55/x
  3. Step 3: Cross multiply
    93,439.73x = 128,938.53 × 52,043.55
  4. Step 4: Simplify right side
    93,439.73x = 6,710,418,832.98
  5. Step 5: Solve for x
    x = 6,710,418,832.98/93,439.73
  6. Step 6: Final answer
    x = 71,815.48

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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.