Home / 77,927.36-116,595.04-47,419.20

Finding the Fourth Proportional to 77,927.36, 116,595.04 and 47,419.20

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Solution

The fourth proportional to 77,927.36, 116,595.04 and 47,419.20 is: 70,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,927.36 : 116,595.04 = 47,419.20 : x
  2. Step 2: Convert to fraction form
    77,927.36/116,595.04 = 47,419.20/x
  3. Step 3: Cross multiply
    77,927.36x = 116,595.04 × 47,419.20
  4. Step 4: Simplify right side
    77,927.36x = 5,528,843,520.77
  5. Step 5: Solve for x
    x = 5,528,843,520.77/77,927.36
  6. Step 6: Final answer
    x = 70,948.68

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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.