Home / 85,178.27-127,779.71-26,006.25

Finding the Fourth Proportional to 85,178.27, 127,779.71 and 26,006.25

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Solution

The fourth proportional to 85,178.27, 127,779.71 and 26,006.25 is: 39,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,178.27 : 127,779.71 = 26,006.25 : x
  2. Step 2: Convert to fraction form
    85,178.27/127,779.71 = 26,006.25/x
  3. Step 3: Cross multiply
    85,178.27x = 127,779.71 × 26,006.25
  4. Step 4: Simplify right side
    85,178.27x = 3,323,071,083.19
  5. Step 5: Solve for x
    x = 3,323,071,083.19/85,178.27
  6. Step 6: Final answer
    x = 39,013.13

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1.5x scale

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.