Home / 117,423.90-162,045.63-63,709.02

Finding the Fourth Proportional to 117,423.90, 162,045.63 and 63,709.02

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Solution

The fourth proportional to 117,423.90, 162,045.63 and 63,709.02 is: 87,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,423.90 : 162,045.63 = 63,709.02 : x
  2. Step 2: Convert to fraction form
    117,423.90/162,045.63 = 63,709.02/x
  3. Step 3: Cross multiply
    117,423.90x = 162,045.63 × 63,709.02
  4. Step 4: Simplify right side
    117,423.90x = 10,323,768,282.58
  5. Step 5: Solve for x
    x = 10,323,768,282.58/117,423.90
  6. Step 6: Final answer
    x = 87,918.80

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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.