Home / 91,261.02-136,604.73-58,018.62

Finding the Fourth Proportional to 91,261.02, 136,604.73 and 58,018.62

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Solution

The fourth proportional to 91,261.02, 136,604.73 and 58,018.62 is: 86,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,261.02 : 136,604.73 = 58,018.62 : x
  2. Step 2: Convert to fraction form
    91,261.02/136,604.73 = 58,018.62/x
  3. Step 3: Cross multiply
    91,261.02x = 136,604.73 × 58,018.62
  4. Step 4: Simplify right side
    91,261.02x = 7,925,617,920.07
  5. Step 5: Solve for x
    x = 7,925,617,920.07/91,261.02
  6. Step 6: Final answer
    x = 86,845.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.