Home / 99,228.16-136,913.23-58,955.36

Finding the Fourth Proportional to 99,228.16, 136,913.23 and 58,955.36

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Solution

The fourth proportional to 99,228.16, 136,913.23 and 58,955.36 is: 81,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,228.16 : 136,913.23 = 58,955.36 : x
  2. Step 2: Convert to fraction form
    99,228.16/136,913.23 = 58,955.36/x
  3. Step 3: Cross multiply
    99,228.16x = 136,913.23 × 58,955.36
  4. Step 4: Simplify right side
    99,228.16x = 8,071,768,763.41
  5. Step 5: Solve for x
    x = 8,071,768,763.41/99,228.16
  6. Step 6: Final answer
    x = 81,345.55

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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.