Home / 98,913.69-136,501.18-53,591.45

Finding the Fourth Proportional to 98,913.69, 136,501.18 and 53,591.45

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Solution

The fourth proportional to 98,913.69, 136,501.18 and 53,591.45 is: 73,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,913.69 : 136,501.18 = 53,591.45 : x
  2. Step 2: Convert to fraction form
    98,913.69/136,501.18 = 53,591.45/x
  3. Step 3: Cross multiply
    98,913.69x = 136,501.18 × 53,591.45
  4. Step 4: Simplify right side
    98,913.69x = 7,315,295,346.43
  5. Step 5: Solve for x
    x = 7,315,295,346.43/98,913.69
  6. Step 6: Final answer
    x = 73,956.35

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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.