Home / 76,323.17-105,326.57-42,329.77

Finding the Fourth Proportional to 76,323.17, 105,326.57 and 42,329.77

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Solution

The fourth proportional to 76,323.17, 105,326.57 and 42,329.77 is: 58,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,323.17 : 105,326.57 = 42,329.77 : x
  2. Step 2: Convert to fraction form
    76,323.17/105,326.57 = 42,329.77/x
  3. Step 3: Cross multiply
    76,323.17x = 105,326.57 × 42,329.77
  4. Step 4: Simplify right side
    76,323.17x = 4,458,449,325.50
  5. Step 5: Solve for x
    x = 4,458,449,325.50/76,323.17
  6. Step 6: Final answer
    x = 58,415.41

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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.