Home / 106,938.32-160,545.72-57,724.88

Finding the Fourth Proportional to 106,938.32, 160,545.72 and 57,724.88

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Solution

The fourth proportional to 106,938.32, 160,545.72 and 57,724.88 is: 86,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.32 : 160,545.72 = 57,724.88 : x
  2. Step 2: Convert to fraction form
    106,938.32/160,545.72 = 57,724.88/x
  3. Step 3: Cross multiply
    106,938.32x = 160,545.72 × 57,724.88
  4. Step 4: Simplify right side
    106,938.32x = 9,267,482,421.51
  5. Step 5: Solve for x
    x = 9,267,482,421.51/106,938.32
  6. Step 6: Final answer
    x = 86,661.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.