Home / 93,250.33-128,686.40-50,809.57

Finding the Fourth Proportional to 93,250.33, 128,686.40 and 50,809.57

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Solution

The fourth proportional to 93,250.33, 128,686.40 and 50,809.57 is: 70,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,250.33 : 128,686.40 = 50,809.57 : x
  2. Step 2: Convert to fraction form
    93,250.33/128,686.40 = 50,809.57/x
  3. Step 3: Cross multiply
    93,250.33x = 128,686.40 × 50,809.57
  4. Step 4: Simplify right side
    93,250.33x = 6,538,500,648.85
  5. Step 5: Solve for x
    x = 6,538,500,648.85/93,250.33
  6. Step 6: Final answer
    x = 70,117.72

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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.