Home / 77,339.36-106,779.68-59,402.24

Finding the Fourth Proportional to 77,339.36, 106,779.68 and 59,402.24

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Solution

The fourth proportional to 77,339.36, 106,779.68 and 59,402.24 is: 82,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,339.36 : 106,779.68 = 59,402.24 : x
  2. Step 2: Convert to fraction form
    77,339.36/106,779.68 = 59,402.24/x
  3. Step 3: Cross multiply
    77,339.36x = 106,779.68 × 59,402.24
  4. Step 4: Simplify right side
    77,339.36x = 6,342,952,178.48
  5. Step 5: Solve for x
    x = 6,342,952,178.48/77,339.36
  6. Step 6: Final answer
    x = 82,014.54

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1.5x scale

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.