Home / 106,870.03-160,269.93-39,386.50

Finding the Fourth Proportional to 106,870.03, 160,269.93 and 39,386.50

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Solution

The fourth proportional to 106,870.03, 160,269.93 and 39,386.50 is: 59,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,870.03 : 160,269.93 = 39,386.50 : x
  2. Step 2: Convert to fraction form
    106,870.03/160,269.93 = 39,386.50/x
  3. Step 3: Cross multiply
    106,870.03x = 160,269.93 × 39,386.50
  4. Step 4: Simplify right side
    106,870.03x = 6,312,471,597.95
  5. Step 5: Solve for x
    x = 6,312,471,597.95/106,870.03
  6. Step 6: Final answer
    x = 59,066.81

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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.