Home / 89,655.28-134,566.02-45,312.94

Finding the Fourth Proportional to 89,655.28, 134,566.02 and 45,312.94

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Solution

The fourth proportional to 89,655.28, 134,566.02 and 45,312.94 is: 68,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,655.28 : 134,566.02 = 45,312.94 : x
  2. Step 2: Convert to fraction form
    89,655.28/134,566.02 = 45,312.94/x
  3. Step 3: Cross multiply
    89,655.28x = 134,566.02 × 45,312.94
  4. Step 4: Simplify right side
    89,655.28x = 6,097,581,990.30
  5. Step 5: Solve for x
    x = 6,097,581,990.30/89,655.28
  6. Step 6: Final answer
    x = 68,011.41

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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.