Home / 98,785.08-136,323.58-53,463.11

Finding the Fourth Proportional to 98,785.08, 136,323.58 and 53,463.11

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Solution

The fourth proportional to 98,785.08, 136,323.58 and 53,463.11 is: 73,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,785.08 : 136,323.58 = 53,463.11 : x
  2. Step 2: Convert to fraction form
    98,785.08/136,323.58 = 53,463.11/x
  3. Step 3: Cross multiply
    98,785.08x = 136,323.58 × 53,463.11
  4. Step 4: Simplify right side
    98,785.08x = 7,288,282,285.82
  5. Step 5: Solve for x
    x = 7,288,282,285.82/98,785.08
  6. Step 6: Final answer
    x = 73,779.18

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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.