Home / 93,319.19-128,780.48-53,033.03

Finding the Fourth Proportional to 93,319.19, 128,780.48 and 53,033.03

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Solution

The fourth proportional to 93,319.19, 128,780.48 and 53,033.03 is: 73,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319.19 : 128,780.48 = 53,033.03 : x
  2. Step 2: Convert to fraction form
    93,319.19/128,780.48 = 53,033.03/x
  3. Step 3: Cross multiply
    93,319.19x = 128,780.48 × 53,033.03
  4. Step 4: Simplify right side
    93,319.19x = 6,829,618,150.19
  5. Step 5: Solve for x
    x = 6,829,618,150.19/93,319.19
  6. Step 6: Final answer
    x = 73,185.57

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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.