Home / 106,557.12-147,048.10-58,810.47

Finding the Fourth Proportional to 106,557.12, 147,048.10 and 58,810.47

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Solution

The fourth proportional to 106,557.12, 147,048.10 and 58,810.47 is: 81,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,557.12 : 147,048.10 = 58,810.47 : x
  2. Step 2: Convert to fraction form
    106,557.12/147,048.10 = 58,810.47/x
  3. Step 3: Cross multiply
    106,557.12x = 147,048.10 × 58,810.47
  4. Step 4: Simplify right side
    106,557.12x = 8,647,967,873.61
  5. Step 5: Solve for x
    x = 8,647,967,873.61/106,557.12
  6. Step 6: Final answer
    x = 81,158.05

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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.