Home / 64,117.88-88,507.35-57,391.64

Finding the Fourth Proportional to 64,117.88, 88,507.35 and 57,391.64

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Solution

The fourth proportional to 64,117.88, 88,507.35 and 57,391.64 is: 79,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,117.88 : 88,507.35 = 57,391.64 : x
  2. Step 2: Convert to fraction form
    64,117.88/88,507.35 = 57,391.64/x
  3. Step 3: Cross multiply
    64,117.88x = 88,507.35 × 57,391.64
  4. Step 4: Simplify right side
    64,117.88x = 5,079,581,526.02
  5. Step 5: Solve for x
    x = 5,079,581,526.02/64,117.88
  6. Step 6: Final answer
    x = 79,222.55

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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.