Home / 97,287.04-134,246.28-71,807.32

Finding the Fourth Proportional to 97,287.04, 134,246.28 and 71,807.32

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Solution

The fourth proportional to 97,287.04, 134,246.28 and 71,807.32 is: 99,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,287.04 : 134,246.28 = 71,807.32 : x
  2. Step 2: Convert to fraction form
    97,287.04/134,246.28 = 71,807.32/x
  3. Step 3: Cross multiply
    97,287.04x = 134,246.28 × 71,807.32
  4. Step 4: Simplify right side
    97,287.04x = 9,639,865,586.77
  5. Step 5: Solve for x
    x = 9,639,865,586.77/97,287.04
  6. Step 6: Final answer
    x = 99,086.84

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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.