Home / 89,521.35-123,533.45-51,281.06

Finding the Fourth Proportional to 89,521.35, 123,533.45 and 51,281.06

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Solution

The fourth proportional to 89,521.35, 123,533.45 and 51,281.06 is: 70,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,521.35 : 123,533.45 = 51,281.06 : x
  2. Step 2: Convert to fraction form
    89,521.35/123,533.45 = 51,281.06/x
  3. Step 3: Cross multiply
    89,521.35x = 123,533.45 × 51,281.06
  4. Step 4: Simplify right side
    89,521.35x = 6,334,925,387.38
  5. Step 5: Solve for x
    x = 6,334,925,387.38/89,521.35
  6. Step 6: Final answer
    x = 70,764.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.