Home / 76,519.96-105,596.80-42,528.58

Finding the Fourth Proportional to 76,519.96, 105,596.80 and 42,528.58

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Solution

The fourth proportional to 76,519.96, 105,596.80 and 42,528.58 is: 58,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,519.96 : 105,596.80 = 42,528.58 : x
  2. Step 2: Convert to fraction form
    76,519.96/105,596.80 = 42,528.58/x
  3. Step 3: Cross multiply
    76,519.96x = 105,596.80 × 42,528.58
  4. Step 4: Simplify right side
    76,519.96x = 4,490,881,956.54
  5. Step 5: Solve for x
    x = 4,490,881,956.54/76,519.96
  6. Step 6: Final answer
    x = 58,689.03

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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.