Home / 93,454.24-128,970.48-55,727.68

Finding the Fourth Proportional to 93,454.24, 128,970.48 and 55,727.68

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Solution

The fourth proportional to 93,454.24, 128,970.48 and 55,727.68 is: 76,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,454.24 : 128,970.48 = 55,727.68 : x
  2. Step 2: Convert to fraction form
    93,454.24/128,970.48 = 55,727.68/x
  3. Step 3: Cross multiply
    93,454.24x = 128,970.48 × 55,727.68
  4. Step 4: Simplify right side
    93,454.24x = 7,187,225,638.89
  5. Step 5: Solve for x
    x = 7,187,225,638.89/93,454.24
  6. Step 6: Final answer
    x = 76,906.36

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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.