Home / 111,527.10-153,869.94-63,746.64

Finding the Fourth Proportional to 111,527.10, 153,869.94 and 63,746.64

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Solution

The fourth proportional to 111,527.10, 153,869.94 and 63,746.64 is: 87,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,527.10 : 153,869.94 = 63,746.64 : x
  2. Step 2: Convert to fraction form
    111,527.10/153,869.94 = 63,746.64/x
  3. Step 3: Cross multiply
    111,527.10x = 153,869.94 × 63,746.64
  4. Step 4: Simplify right side
    111,527.10x = 9,808,691,672.00
  5. Step 5: Solve for x
    x = 9,808,691,672.00/111,527.10
  6. Step 6: Final answer
    x = 87,948.95

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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.