Home / 76,329.95-105,338.68-42,336.17

Finding the Fourth Proportional to 76,329.95, 105,338.68 and 42,336.17

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Solution

The fourth proportional to 76,329.95, 105,338.68 and 42,336.17 is: 58,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,329.95 : 105,338.68 = 42,336.17 : x
  2. Step 2: Convert to fraction form
    76,329.95/105,338.68 = 42,336.17/x
  3. Step 3: Cross multiply
    76,329.95x = 105,338.68 × 42,336.17
  4. Step 4: Simplify right side
    76,329.95x = 4,459,636,026.54
  5. Step 5: Solve for x
    x = 4,459,636,026.54/76,329.95
  6. Step 6: Final answer
    x = 58,425.77

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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.