Home / 70,173.07-96,810.16-51,820.15

Finding the Fourth Proportional to 70,173.07, 96,810.16 and 51,820.15

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Solution

The fourth proportional to 70,173.07, 96,810.16 and 51,820.15 is: 71,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,173.07 : 96,810.16 = 51,820.15 : x
  2. Step 2: Convert to fraction form
    70,173.07/96,810.16 = 51,820.15/x
  3. Step 3: Cross multiply
    70,173.07x = 96,810.16 × 51,820.15
  4. Step 4: Simplify right side
    70,173.07x = 5,016,716,269.57
  5. Step 5: Solve for x
    x = 5,016,716,269.57/70,173.07
  6. Step 6: Final answer
    x = 71,490.62

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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.