Home / 93,353.19-128,805.26-53,063.78

Finding the Fourth Proportional to 93,353.19, 128,805.26 and 53,063.78

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Solution

The fourth proportional to 93,353.19, 128,805.26 and 53,063.78 is: 73,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,353.19 : 128,805.26 = 53,063.78 : x
  2. Step 2: Convert to fraction form
    93,353.19/128,805.26 = 53,063.78/x
  3. Step 3: Cross multiply
    93,353.19x = 128,805.26 × 53,063.78
  4. Step 4: Simplify right side
    93,353.19x = 6,834,893,714.16
  5. Step 5: Solve for x
    x = 6,834,893,714.16/93,353.19
  6. Step 6: Final answer
    x = 73,215.43

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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.