Home / 93,941.40-129,640.19-53,660.51

Finding the Fourth Proportional to 93,941.40, 129,640.19 and 53,660.51

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Solution

The fourth proportional to 93,941.40, 129,640.19 and 53,660.51 is: 74,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,941.40 : 129,640.19 = 53,660.51 : x
  2. Step 2: Convert to fraction form
    93,941.40/129,640.19 = 53,660.51/x
  3. Step 3: Cross multiply
    93,941.40x = 129,640.19 × 53,660.51
  4. Step 4: Simplify right side
    93,941.40x = 6,956,557,795.39
  5. Step 5: Solve for x
    x = 6,956,557,795.39/93,941.40
  6. Step 6: Final answer
    x = 74,052.10

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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.