Home / 106,842.02-147,437.14-58,443.10

Finding the Fourth Proportional to 106,842.02, 147,437.14 and 58,443.10

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Solution

The fourth proportional to 106,842.02, 147,437.14 and 58,443.10 is: 80,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,842.02 : 147,437.14 = 58,443.10 : x
  2. Step 2: Convert to fraction form
    106,842.02/147,437.14 = 58,443.10/x
  3. Step 3: Cross multiply
    106,842.02x = 147,437.14 × 58,443.10
  4. Step 4: Simplify right side
    106,842.02x = 8,616,683,516.73
  5. Step 5: Solve for x
    x = 8,616,683,516.73/106,842.02
  6. Step 6: Final answer
    x = 80,648.83

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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.