Home / 77,677.55-116,435.52-52,719.63

Finding the Fourth Proportional to 77,677.55, 116,435.52 and 52,719.63

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Solution

The fourth proportional to 77,677.55, 116,435.52 and 52,719.63 is: 79,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,677.55 : 116,435.52 = 52,719.63 : x
  2. Step 2: Convert to fraction form
    77,677.55/116,435.52 = 52,719.63/x
  3. Step 3: Cross multiply
    77,677.55x = 116,435.52 × 52,719.63
  4. Step 4: Simplify right side
    77,677.55x = 6,138,437,533.26
  5. Step 5: Solve for x
    x = 6,138,437,533.26/77,677.55
  6. Step 6: Final answer
    x = 79,024.61

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1.5x scale

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.