Home / 112,412.64-168,702.06-53,248.40

Finding the Fourth Proportional to 112,412.64, 168,702.06 and 53,248.40

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Solution

The fourth proportional to 112,412.64, 168,702.06 and 53,248.40 is: 79,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,412.64 : 168,702.06 = 53,248.40 : x
  2. Step 2: Convert to fraction form
    112,412.64/168,702.06 = 53,248.40/x
  3. Step 3: Cross multiply
    112,412.64x = 168,702.06 × 53,248.40
  4. Step 4: Simplify right side
    112,412.64x = 8,983,114,771.70
  5. Step 5: Solve for x
    x = 8,983,114,771.70/112,412.64
  6. Step 6: Final answer
    x = 79,911.96

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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.