Home / 98,923.51-136,513.65-53,601.36

Finding the Fourth Proportional to 98,923.51, 136,513.65 and 53,601.36

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Solution

The fourth proportional to 98,923.51, 136,513.65 and 53,601.36 is: 73,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,923.51 : 136,513.65 = 53,601.36 : x
  2. Step 2: Convert to fraction form
    98,923.51/136,513.65 = 53,601.36/x
  3. Step 3: Cross multiply
    98,923.51x = 136,513.65 × 53,601.36
  4. Step 4: Simplify right side
    98,923.51x = 7,317,317,298.56
  5. Step 5: Solve for x
    x = 7,317,317,298.56/98,923.51
  6. Step 6: Final answer
    x = 73,969.45

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1.5x scale

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.