Home / 103,626.62-143,009.98-61,184.24

Finding the Fourth Proportional to 103,626.62, 143,009.98 and 61,184.24

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Solution

The fourth proportional to 103,626.62, 143,009.98 and 61,184.24 is: 84,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.62 : 143,009.98 = 61,184.24 : x
  2. Step 2: Convert to fraction form
    103,626.62/143,009.98 = 61,184.24/x
  3. Step 3: Cross multiply
    103,626.62x = 143,009.98 × 61,184.24
  4. Step 4: Simplify right side
    103,626.62x = 8,749,956,938.72
  5. Step 5: Solve for x
    x = 8,749,956,938.72/103,626.62
  6. Step 6: Final answer
    x = 84,437.35

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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.