Home / 111,039.04-153,248.48-63,281.44

Finding the Fourth Proportional to 111,039.04, 153,248.48 and 63,281.44

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Solution

The fourth proportional to 111,039.04, 153,248.48 and 63,281.44 is: 87,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,039.04 : 153,248.48 = 63,281.44 : x
  2. Step 2: Convert to fraction form
    111,039.04/153,248.48 = 63,281.44/x
  3. Step 3: Cross multiply
    111,039.04x = 153,248.48 × 63,281.44
  4. Step 4: Simplify right side
    111,039.04x = 9,697,784,492.21
  5. Step 5: Solve for x
    x = 9,697,784,492.21/111,039.04
  6. Step 6: Final answer
    x = 87,336.71

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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.