Home / 106,802.70-147,377.34-59,049.54

Finding the Fourth Proportional to 106,802.70, 147,377.34 and 59,049.54

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Solution

The fourth proportional to 106,802.70, 147,377.34 and 59,049.54 is: 81,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,802.70 : 147,377.34 = 59,049.54 : x
  2. Step 2: Convert to fraction form
    106,802.70/147,377.34 = 59,049.54/x
  3. Step 3: Cross multiply
    106,802.70x = 147,377.34 × 59,049.54
  4. Step 4: Simplify right side
    106,802.70x = 8,702,564,133.42
  5. Step 5: Solve for x
    x = 8,702,564,133.42/106,802.70
  6. Step 6: Final answer
    x = 81,482.62

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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.