Home / 58,430.66-80,700.82-39,277.18

Finding the Fourth Proportional to 58,430.66, 80,700.82 and 39,277.18

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Solution

The fourth proportional to 58,430.66, 80,700.82 and 39,277.18 is: 54,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,430.66 : 80,700.82 = 39,277.18 : x
  2. Step 2: Convert to fraction form
    58,430.66/80,700.82 = 39,277.18/x
  3. Step 3: Cross multiply
    58,430.66x = 80,700.82 × 39,277.18
  4. Step 4: Simplify right side
    58,430.66x = 3,169,700,633.29
  5. Step 5: Solve for x
    x = 3,169,700,633.29/58,430.66
  6. Step 6: Final answer
    x = 54,247.22

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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.