Home / 76,287.86-105,277.23-42,296.24

Finding the Fourth Proportional to 76,287.86, 105,277.23 and 42,296.24

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Solution

The fourth proportional to 76,287.86, 105,277.23 and 42,296.24 is: 58,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,287.86 : 105,277.23 = 42,296.24 : x
  2. Step 2: Convert to fraction form
    76,287.86/105,277.23 = 42,296.24/x
  3. Step 3: Cross multiply
    76,287.86x = 105,277.23 × 42,296.24
  4. Step 4: Simplify right side
    76,287.86x = 4,452,830,986.62
  5. Step 5: Solve for x
    x = 4,452,830,986.62/76,287.86
  6. Step 6: Final answer
    x = 58,368.80

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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.