Home / 70,666.20-105,999.30-41,117.40

Finding the Fourth Proportional to 70,666.20, 105,999.30 and 41,117.40

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Solution

The fourth proportional to 70,666.20, 105,999.30 and 41,117.40 is: 61,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,666.20 : 105,999.30 = 41,117.40 : x
  2. Step 2: Convert to fraction form
    70,666.20/105,999.30 = 41,117.40/x
  3. Step 3: Cross multiply
    70,666.20x = 105,999.30 × 41,117.40
  4. Step 4: Simplify right side
    70,666.20x = 4,358,415,617.82
  5. Step 5: Solve for x
    x = 4,358,415,617.82/70,666.20
  6. Step 6: Final answer
    x = 61,676.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.