Home / 69,708.18-96,222.66-42,886.64

Finding the Fourth Proportional to 69,708.18, 96,222.66 and 42,886.64

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Solution

The fourth proportional to 69,708.18, 96,222.66 and 42,886.64 is: 59,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,708.18 : 96,222.66 = 42,886.64 : x
  2. Step 2: Convert to fraction form
    69,708.18/96,222.66 = 42,886.64/x
  3. Step 3: Cross multiply
    69,708.18x = 96,222.66 × 42,886.64
  4. Step 4: Simplify right side
    69,708.18x = 4,126,666,579.26
  5. Step 5: Solve for x
    x = 4,126,666,579.26/69,708.18
  6. Step 6: Final answer
    x = 59,199.17

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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.