Home / 99,029.49-136,660.77-53,707.46

Finding the Fourth Proportional to 99,029.49, 136,660.77 and 53,707.46

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Solution

The fourth proportional to 99,029.49, 136,660.77 and 53,707.46 is: 74,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,029.49 : 136,660.77 = 53,707.46 : x
  2. Step 2: Convert to fraction form
    99,029.49/136,660.77 = 53,707.46/x
  3. Step 3: Cross multiply
    99,029.49x = 136,660.77 × 53,707.46
  4. Step 4: Simplify right side
    99,029.49x = 7,339,702,155.04
  5. Step 5: Solve for x
    x = 7,339,702,155.04/99,029.49
  6. Step 6: Final answer
    x = 74,116.33

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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.