Home / 57,966.94-80,403.64-56,430.58

Finding the Fourth Proportional to 57,966.94, 80,403.64 and 56,430.58

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Solution

The fourth proportional to 57,966.94, 80,403.64 and 56,430.58 is: 78,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,966.94 : 80,403.64 = 56,430.58 : x
  2. Step 2: Convert to fraction form
    57,966.94/80,403.64 = 56,430.58/x
  3. Step 3: Cross multiply
    57,966.94x = 80,403.64 × 56,430.58
  4. Step 4: Simplify right side
    57,966.94x = 4,537,223,355.14
  5. Step 5: Solve for x
    x = 4,537,223,355.14/57,966.94
  6. Step 6: Final answer
    x = 78,272.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.