Home / 53,377.13-80,421.45-48,317.42

Finding the Fourth Proportional to 53,377.13, 80,421.45 and 48,317.42

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Solution

The fourth proportional to 53,377.13, 80,421.45 and 48,317.42 is: 72,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,377.13 : 80,421.45 = 48,317.42 : x
  2. Step 2: Convert to fraction form
    53,377.13/80,421.45 = 48,317.42/x
  3. Step 3: Cross multiply
    53,377.13x = 80,421.45 × 48,317.42
  4. Step 4: Simplify right side
    53,377.13x = 3,885,757,177.71
  5. Step 5: Solve for x
    x = 3,885,757,177.71/53,377.13
  6. Step 6: Final answer
    x = 72,798.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.