Home / 77,865.65-116,814.91-25,271.07

Finding the Fourth Proportional to 77,865.65, 116,814.91 and 25,271.07

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Solution

The fourth proportional to 77,865.65, 116,814.91 and 25,271.07 is: 37,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,865.65 : 116,814.91 = 25,271.07 : x
  2. Step 2: Convert to fraction form
    77,865.65/116,814.91 = 25,271.07/x
  3. Step 3: Cross multiply
    77,865.65x = 116,814.91 × 25,271.07
  4. Step 4: Simplify right side
    77,865.65x = 2,952,037,767.65
  5. Step 5: Solve for x
    x = 2,952,037,767.65/77,865.65
  6. Step 6: Final answer
    x = 37,911.94

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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.