Home / 76,244.10-105,213.78-42,253.08

Finding the Fourth Proportional to 76,244.10, 105,213.78 and 42,253.08

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Solution

The fourth proportional to 76,244.10, 105,213.78 and 42,253.08 is: 58,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,244.10 : 105,213.78 = 42,253.08 : x
  2. Step 2: Convert to fraction form
    76,244.10/105,213.78 = 42,253.08/x
  3. Step 3: Cross multiply
    76,244.10x = 105,213.78 × 42,253.08
  4. Step 4: Simplify right side
    76,244.10x = 4,445,606,263.44
  5. Step 5: Solve for x
    x = 4,445,606,263.44/76,244.10
  6. Step 6: Final answer
    x = 58,307.54

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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.