Home / 76,924.72-106,157.10-45,085.60

Finding the Fourth Proportional to 76,924.72, 106,157.10 and 45,085.60

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Solution

The fourth proportional to 76,924.72, 106,157.10 and 45,085.60 is: 62,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,924.72 : 106,157.10 = 45,085.60 : x
  2. Step 2: Convert to fraction form
    76,924.72/106,157.10 = 45,085.60/x
  3. Step 3: Cross multiply
    76,924.72x = 106,157.10 × 45,085.60
  4. Step 4: Simplify right side
    76,924.72x = 4,786,156,547.76
  5. Step 5: Solve for x
    x = 4,786,156,547.76/76,924.72
  6. Step 6: Final answer
    x = 62,218.71

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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.