Home / 98,567.13-136,022.52-53,245.11

Finding the Fourth Proportional to 98,567.13, 136,022.52 and 53,245.11

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Solution

The fourth proportional to 98,567.13, 136,022.52 and 53,245.11 is: 73,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,567.13 : 136,022.52 = 53,245.11 : x
  2. Step 2: Convert to fraction form
    98,567.13/136,022.52 = 53,245.11/x
  3. Step 3: Cross multiply
    98,567.13x = 136,022.52 × 53,245.11
  4. Step 4: Simplify right side
    98,567.13x = 7,242,533,359.76
  5. Step 5: Solve for x
    x = 7,242,533,359.76/98,567.13
  6. Step 6: Final answer
    x = 73,478.18

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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.