Home / 99,259.24-136,977.06-54,548.20

Finding the Fourth Proportional to 99,259.24, 136,977.06 and 54,548.20

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Solution

The fourth proportional to 99,259.24, 136,977.06 and 54,548.20 is: 75,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,259.24 : 136,977.06 = 54,548.20 : x
  2. Step 2: Convert to fraction form
    99,259.24/136,977.06 = 54,548.20/x
  3. Step 3: Cross multiply
    99,259.24x = 136,977.06 × 54,548.20
  4. Step 4: Simplify right side
    99,259.24x = 7,471,852,064.29
  5. Step 5: Solve for x
    x = 7,471,852,064.29/99,259.24
  6. Step 6: Final answer
    x = 75,276.14

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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.