Home / 98,646.64-136,132.38-53,324.50

Finding the Fourth Proportional to 98,646.64, 136,132.38 and 53,324.50

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Solution

The fourth proportional to 98,646.64, 136,132.38 and 53,324.50 is: 73,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,646.64 : 136,132.38 = 53,324.50 : x
  2. Step 2: Convert to fraction form
    98,646.64/136,132.38 = 53,324.50/x
  3. Step 3: Cross multiply
    98,646.64x = 136,132.38 × 53,324.50
  4. Step 4: Simplify right side
    98,646.64x = 7,259,191,097.31
  5. Step 5: Solve for x
    x = 7,259,191,097.31/98,646.64
  6. Step 6: Final answer
    x = 73,587.82

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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.