Home / 92,850.07-128,006.15-63,777.55

Finding the Fourth Proportional to 92,850.07, 128,006.15 and 63,777.55

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Solution

The fourth proportional to 92,850.07, 128,006.15 and 63,777.55 is: 87,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850.07 : 128,006.15 = 63,777.55 : x
  2. Step 2: Convert to fraction form
    92,850.07/128,006.15 = 63,777.55/x
  3. Step 3: Cross multiply
    92,850.07x = 128,006.15 × 63,777.55
  4. Step 4: Simplify right side
    92,850.07x = 8,163,918,631.93
  5. Step 5: Solve for x
    x = 8,163,918,631.93/92,850.07
  6. Step 6: Final answer
    x = 87,925.82

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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.