Home / 106,723.98-147,280.95-58,977.72

Finding the Fourth Proportional to 106,723.98, 147,280.95 and 58,977.72

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Solution

The fourth proportional to 106,723.98, 147,280.95 and 58,977.72 is: 81,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,723.98 : 147,280.95 = 58,977.72 : x
  2. Step 2: Convert to fraction form
    106,723.98/147,280.95 = 58,977.72/x
  3. Step 3: Cross multiply
    106,723.98x = 147,280.95 × 58,977.72
  4. Step 4: Simplify right side
    106,723.98x = 8,686,294,630.43
  5. Step 5: Solve for x
    x = 8,686,294,630.43/106,723.98
  6. Step 6: Final answer
    x = 81,390.28

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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.