Home / 73,826.26-101,885.70-42,005.40

Finding the Fourth Proportional to 73,826.26, 101,885.70 and 42,005.40

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Solution

The fourth proportional to 73,826.26, 101,885.70 and 42,005.40 is: 57,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,826.26 : 101,885.70 = 42,005.40 : x
  2. Step 2: Convert to fraction form
    73,826.26/101,885.70 = 42,005.40/x
  3. Step 3: Cross multiply
    73,826.26x = 101,885.70 × 42,005.40
  4. Step 4: Simplify right side
    73,826.26x = 4,279,749,582.78
  5. Step 5: Solve for x
    x = 4,279,749,582.78/73,826.26
  6. Step 6: Final answer
    x = 57,970.56

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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.