Home / 53,105.40-79,639.74-23,543.91

Finding the Fourth Proportional to 53,105.40, 79,639.74 and 23,543.91

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Solution

The fourth proportional to 53,105.40, 79,639.74 and 23,543.91 is: 35,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,105.40 : 79,639.74 = 23,543.91 : x
  2. Step 2: Convert to fraction form
    53,105.40/79,639.74 = 23,543.91/x
  3. Step 3: Cross multiply
    53,105.40x = 79,639.74 × 23,543.91
  4. Step 4: Simplify right side
    53,105.40x = 1,875,030,870.98
  5. Step 5: Solve for x
    x = 1,875,030,870.98/53,105.40
  6. Step 6: Final answer
    x = 35,307.73

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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.