Home / 45,795.20-68,349.40-42,805.82

Finding the Fourth Proportional to 45,795.20, 68,349.40 and 42,805.82

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Solution

The fourth proportional to 45,795.20, 68,349.40 and 42,805.82 is: 63,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,795.20 : 68,349.40 = 42,805.82 : x
  2. Step 2: Convert to fraction form
    45,795.20/68,349.40 = 42,805.82/x
  3. Step 3: Cross multiply
    45,795.20x = 68,349.40 × 42,805.82
  4. Step 4: Simplify right side
    45,795.20x = 2,925,752,113.51
  5. Step 5: Solve for x
    x = 2,925,752,113.51/45,795.20
  6. Step 6: Final answer
    x = 63,887.75

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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.