Home / 99,271.04-136,932.32-58,955.72

Finding the Fourth Proportional to 99,271.04, 136,932.32 and 58,955.72

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Solution

The fourth proportional to 99,271.04, 136,932.32 and 58,955.72 is: 81,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,271.04 : 136,932.32 = 58,955.72 : x
  2. Step 2: Convert to fraction form
    99,271.04/136,932.32 = 58,955.72/x
  3. Step 3: Cross multiply
    99,271.04x = 136,932.32 × 58,955.72
  4. Step 4: Simplify right side
    99,271.04x = 8,072,942,979.60
  5. Step 5: Solve for x
    x = 8,072,942,979.60/99,271.04
  6. Step 6: Final answer
    x = 81,322.24

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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.