Home / 76,030.88-104,920.56-42,503.36

Finding the Fourth Proportional to 76,030.88, 104,920.56 and 42,503.36

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Solution

The fourth proportional to 76,030.88, 104,920.56 and 42,503.36 is: 58,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,030.88 : 104,920.56 = 42,503.36 : x
  2. Step 2: Convert to fraction form
    76,030.88/104,920.56 = 42,503.36/x
  3. Step 3: Cross multiply
    76,030.88x = 104,920.56 × 42,503.36
  4. Step 4: Simplify right side
    76,030.88x = 4,459,476,333.08
  5. Step 5: Solve for x
    x = 4,459,476,333.08/76,030.88
  6. Step 6: Final answer
    x = 58,653.49

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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.