Home / 77,291.10-116,068.84-47,480.10

Finding the Fourth Proportional to 77,291.10, 116,068.84 and 47,480.10

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Solution

The fourth proportional to 77,291.10, 116,068.84 and 47,480.10 is: 71,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,291.10 : 116,068.84 = 47,480.10 : x
  2. Step 2: Convert to fraction form
    77,291.10/116,068.84 = 47,480.10/x
  3. Step 3: Cross multiply
    77,291.10x = 116,068.84 × 47,480.10
  4. Step 4: Simplify right side
    77,291.10x = 5,510,960,130.08
  5. Step 5: Solve for x
    x = 5,510,960,130.08/77,291.10
  6. Step 6: Final answer
    x = 71,301.35

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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.