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Finding the Fourth Proportional to 85,035.59, 117,510.95 and 63,777.95

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Solution

The fourth proportional to 85,035.59, 117,510.95 and 63,777.95 is: 88,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,035.59 : 117,510.95 = 63,777.95 : x
  2. Step 2: Convert to fraction form
    85,035.59/117,510.95 = 63,777.95/x
  3. Step 3: Cross multiply
    85,035.59x = 117,510.95 × 63,777.95
  4. Step 4: Simplify right side
    85,035.59x = 7,494,607,493.55
  5. Step 5: Solve for x
    x = 7,494,607,493.55/85,035.59
  6. Step 6: Final answer
    x = 88,134.95

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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.