Home / 93,411.06-128,906.57-53,124.77

Finding the Fourth Proportional to 93,411.06, 128,906.57 and 53,124.77

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Solution

The fourth proportional to 93,411.06, 128,906.57 and 53,124.77 is: 73,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,411.06 : 128,906.57 = 53,124.77 : x
  2. Step 2: Convert to fraction form
    93,411.06/128,906.57 = 53,124.77/x
  3. Step 3: Cross multiply
    93,411.06x = 128,906.57 × 53,124.77
  4. Step 4: Simplify right side
    93,411.06x = 6,848,130,972.58
  5. Step 5: Solve for x
    x = 6,848,130,972.58/93,411.06
  6. Step 6: Final answer
    x = 73,311.78

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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.