Home / 76,901.54-106,124.45-42,911.51

Finding the Fourth Proportional to 76,901.54, 106,124.45 and 42,911.51

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Solution

The fourth proportional to 76,901.54, 106,124.45 and 42,911.51 is: 59,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,901.54 : 106,124.45 = 42,911.51 : x
  2. Step 2: Convert to fraction form
    76,901.54/106,124.45 = 42,911.51/x
  3. Step 3: Cross multiply
    76,901.54x = 106,124.45 × 42,911.51
  4. Step 4: Simplify right side
    76,901.54x = 4,553,959,652.24
  5. Step 5: Solve for x
    x = 4,553,959,652.24/76,901.54
  6. Step 6: Final answer
    x = 59,218.06

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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.