Home / 104,088.06-156,139.99-40,877.69

Finding the Fourth Proportional to 104,088.06, 156,139.99 and 40,877.69

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Solution

The fourth proportional to 104,088.06, 156,139.99 and 40,877.69 is: 61,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,088.06 : 156,139.99 = 40,877.69 : x
  2. Step 2: Convert to fraction form
    104,088.06/156,139.99 = 40,877.69/x
  3. Step 3: Cross multiply
    104,088.06x = 156,139.99 × 40,877.69
  4. Step 4: Simplify right side
    104,088.06x = 6,382,641,224.93
  5. Step 5: Solve for x
    x = 6,382,641,224.93/104,088.06
  6. Step 6: Final answer
    x = 61,319.63

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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.