Home / 76,030.76-104,917.94-42,036.57

Finding the Fourth Proportional to 76,030.76, 104,917.94 and 42,036.57

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Solution

The fourth proportional to 76,030.76, 104,917.94 and 42,036.57 is: 58,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,030.76 : 104,917.94 = 42,036.57 : x
  2. Step 2: Convert to fraction form
    76,030.76/104,917.94 = 42,036.57/x
  3. Step 3: Cross multiply
    76,030.76x = 104,917.94 × 42,036.57
  4. Step 4: Simplify right side
    76,030.76x = 4,410,390,434.16
  5. Step 5: Solve for x
    x = 4,410,390,434.16/76,030.76
  6. Step 6: Final answer
    x = 58,007.98

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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.