Home / 76,237.65-105,208.58-42,246.70

Finding the Fourth Proportional to 76,237.65, 105,208.58 and 42,246.70

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Solution

The fourth proportional to 76,237.65, 105,208.58 and 42,246.70 is: 58,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,237.65 : 105,208.58 = 42,246.70 : x
  2. Step 2: Convert to fraction form
    76,237.65/105,208.58 = 42,246.70/x
  3. Step 3: Cross multiply
    76,237.65x = 105,208.58 × 42,246.70
  4. Step 4: Simplify right side
    76,237.65x = 4,444,715,561.64
  5. Step 5: Solve for x
    x = 4,444,715,561.64/76,237.65
  6. Step 6: Final answer
    x = 58,300.79

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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.