Home / 88,222.14-121,700.16-53,777.57

Finding the Fourth Proportional to 88,222.14, 121,700.16 and 53,777.57

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Solution

The fourth proportional to 88,222.14, 121,700.16 and 53,777.57 is: 74,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,222.14 : 121,700.16 = 53,777.57 : x
  2. Step 2: Convert to fraction form
    88,222.14/121,700.16 = 53,777.57/x
  3. Step 3: Cross multiply
    88,222.14x = 121,700.16 × 53,777.57
  4. Step 4: Simplify right side
    88,222.14x = 6,544,738,264.91
  5. Step 5: Solve for x
    x = 6,544,738,264.91/88,222.14
  6. Step 6: Final answer
    x = 74,184.76

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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.