Home / 77,915.15-116,798.74-25,287.83

Finding the Fourth Proportional to 77,915.15, 116,798.74 and 25,287.83

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Solution

The fourth proportional to 77,915.15, 116,798.74 and 25,287.83 is: 37,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,915.15 : 116,798.74 = 25,287.83 : x
  2. Step 2: Convert to fraction form
    77,915.15/116,798.74 = 25,287.83/x
  3. Step 3: Cross multiply
    77,915.15x = 116,798.74 × 25,287.83
  4. Step 4: Simplify right side
    77,915.15x = 2,953,586,681.33
  5. Step 5: Solve for x
    x = 2,953,586,681.33/77,915.15
  6. Step 6: Final answer
    x = 37,907.73

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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.