Home / 76,283.84-105,270.32-42,292.24

Finding the Fourth Proportional to 76,283.84, 105,270.32 and 42,292.24

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Solution

The fourth proportional to 76,283.84, 105,270.32 and 42,292.24 is: 58,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,283.84 : 105,270.32 = 42,292.24 : x
  2. Step 2: Convert to fraction form
    76,283.84/105,270.32 = 42,292.24/x
  3. Step 3: Cross multiply
    76,283.84x = 105,270.32 × 42,292.24
  4. Step 4: Simplify right side
    76,283.84x = 4,452,117,638.32
  5. Step 5: Solve for x
    x = 4,452,117,638.32/76,283.84
  6. Step 6: Final answer
    x = 58,362.53

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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.