Home / 69,088.23-103,238.97-51,878.91

Finding the Fourth Proportional to 69,088.23, 103,238.97 and 51,878.91

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Solution

The fourth proportional to 69,088.23, 103,238.97 and 51,878.91 is: 77,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.23 : 103,238.97 = 51,878.91 : x
  2. Step 2: Convert to fraction form
    69,088.23/103,238.97 = 51,878.91/x
  3. Step 3: Cross multiply
    69,088.23x = 103,238.97 × 51,878.91
  4. Step 4: Simplify right side
    69,088.23x = 5,355,925,233.12
  5. Step 5: Solve for x
    x = 5,355,925,233.12/69,088.23
  6. Step 6: Final answer
    x = 77,522.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.