Home / 89,532.40-134,268.54-45,130.84

Finding the Fourth Proportional to 89,532.40, 134,268.54 and 45,130.84

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Solution

The fourth proportional to 89,532.40, 134,268.54 and 45,130.84 is: 67,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,532.40 : 134,268.54 = 45,130.84 : x
  2. Step 2: Convert to fraction form
    89,532.40/134,268.54 = 45,130.84/x
  3. Step 3: Cross multiply
    89,532.40x = 134,268.54 × 45,130.84
  4. Step 4: Simplify right side
    89,532.40x = 6,059,651,995.77
  5. Step 5: Solve for x
    x = 6,059,651,995.77/89,532.40
  6. Step 6: Final answer
    x = 67,681.11

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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.