Home / 57,966.69-80,403.29-56,430.32

Finding the Fourth Proportional to 57,966.69, 80,403.29 and 56,430.32

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Solution

The fourth proportional to 57,966.69, 80,403.29 and 56,430.32 is: 78,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,966.69 : 80,403.29 = 56,430.32 : x
  2. Step 2: Convert to fraction form
    57,966.69/80,403.29 = 56,430.32/x
  3. Step 3: Cross multiply
    57,966.69x = 80,403.29 × 56,430.32
  4. Step 4: Simplify right side
    57,966.69x = 4,537,183,302.61
  5. Step 5: Solve for x
    x = 4,537,183,302.61/57,966.69
  6. Step 6: Final answer
    x = 78,272.25

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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.