Home / 114,492.11-158,077.04-71,488.40

Finding the Fourth Proportional to 114,492.11, 158,077.04 and 71,488.40

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Solution

The fourth proportional to 114,492.11, 158,077.04 and 71,488.40 is: 98,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,492.11 : 158,077.04 = 71,488.40 : x
  2. Step 2: Convert to fraction form
    114,492.11/158,077.04 = 71,488.40/x
  3. Step 3: Cross multiply
    114,492.11x = 158,077.04 × 71,488.40
  4. Step 4: Simplify right side
    114,492.11x = 11,300,673,518.51
  5. Step 5: Solve for x
    x = 11,300,673,518.51/114,492.11
  6. Step 6: Final answer
    x = 98,702.64

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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.