Home / 99,030.49-136,679.54-58,766.45

Finding the Fourth Proportional to 99,030.49, 136,679.54 and 58,766.45

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Solution

The fourth proportional to 99,030.49, 136,679.54 and 58,766.45 is: 81,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,030.49 : 136,679.54 = 58,766.45 : x
  2. Step 2: Convert to fraction form
    99,030.49/136,679.54 = 58,766.45/x
  3. Step 3: Cross multiply
    99,030.49x = 136,679.54 × 58,766.45
  4. Step 4: Simplify right side
    99,030.49x = 8,032,171,353.43
  5. Step 5: Solve for x
    x = 8,032,171,353.43/99,030.49
  6. Step 6: Final answer
    x = 81,108.06

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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.