Home / 93,558.60-129,128.58-55,853.64

Finding the Fourth Proportional to 93,558.60, 129,128.58 and 55,853.64

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Solution

The fourth proportional to 93,558.60, 129,128.58 and 55,853.64 is: 77,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,558.60 : 129,128.58 = 55,853.64 : x
  2. Step 2: Convert to fraction form
    93,558.60/129,128.58 = 55,853.64/x
  3. Step 3: Cross multiply
    93,558.60x = 129,128.58 × 55,853.64
  4. Step 4: Simplify right side
    93,558.60x = 7,212,301,221.03
  5. Step 5: Solve for x
    x = 7,212,301,221.03/93,558.60
  6. Step 6: Final answer
    x = 77,088.60

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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.