Home / 76,010.28-104,894.85-42,018.23

Finding the Fourth Proportional to 76,010.28, 104,894.85 and 42,018.23

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Solution

The fourth proportional to 76,010.28, 104,894.85 and 42,018.23 is: 57,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,010.28 : 104,894.85 = 42,018.23 : x
  2. Step 2: Convert to fraction form
    76,010.28/104,894.85 = 42,018.23/x
  3. Step 3: Cross multiply
    76,010.28x = 104,894.85 × 42,018.23
  4. Step 4: Simplify right side
    76,010.28x = 4,407,495,408.64
  5. Step 5: Solve for x
    x = 4,407,495,408.64/76,010.28
  6. Step 6: Final answer
    x = 57,985.52

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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.