Home / 109,688.55-164,538.23-57,200.55

Finding the Fourth Proportional to 109,688.55, 164,538.23 and 57,200.55

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Solution

The fourth proportional to 109,688.55, 164,538.23 and 57,200.55 is: 85,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,688.55 : 164,538.23 = 57,200.55 : x
  2. Step 2: Convert to fraction form
    109,688.55/164,538.23 = 57,200.55/x
  3. Step 3: Cross multiply
    109,688.55x = 164,538.23 × 57,200.55
  4. Step 4: Simplify right side
    109,688.55x = 9,411,676,966.02
  5. Step 5: Solve for x
    x = 9,411,676,966.02/109,688.55
  6. Step 6: Final answer
    x = 85,803.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.