Home / 85,210.27-127,815.72-26,045.71

Finding the Fourth Proportional to 85,210.27, 127,815.72 and 26,045.71

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Solution

The fourth proportional to 85,210.27, 127,815.72 and 26,045.71 is: 39,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,210.27 : 127,815.72 = 26,045.71 : x
  2. Step 2: Convert to fraction form
    85,210.27/127,815.72 = 26,045.71/x
  3. Step 3: Cross multiply
    85,210.27x = 127,815.72 × 26,045.71
  4. Step 4: Simplify right side
    85,210.27x = 3,329,051,176.56
  5. Step 5: Solve for x
    x = 3,329,051,176.56/85,210.27
  6. Step 6: Final answer
    x = 39,068.66

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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.