Home / 77,053.52-106,333.04-48,782.40

Finding the Fourth Proportional to 77,053.52, 106,333.04 and 48,782.40

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Solution

The fourth proportional to 77,053.52, 106,333.04 and 48,782.40 is: 67,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,053.52 : 106,333.04 = 48,782.40 : x
  2. Step 2: Convert to fraction form
    77,053.52/106,333.04 = 48,782.40/x
  3. Step 3: Cross multiply
    77,053.52x = 106,333.04 × 48,782.40
  4. Step 4: Simplify right side
    77,053.52x = 5,187,180,890.50
  5. Step 5: Solve for x
    x = 5,187,180,890.50/77,053.52
  6. Step 6: Final answer
    x = 67,319.19

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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.