Home / 54,306.48-75,011.76-48,999.36

Finding the Fourth Proportional to 54,306.48, 75,011.76 and 48,999.36

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Solution

The fourth proportional to 54,306.48, 75,011.76 and 48,999.36 is: 67,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.48 : 75,011.76 = 48,999.36 : x
  2. Step 2: Convert to fraction form
    54,306.48/75,011.76 = 48,999.36/x
  3. Step 3: Cross multiply
    54,306.48x = 75,011.76 × 48,999.36
  4. Step 4: Simplify right side
    54,306.48x = 3,675,528,232.47
  5. Step 5: Solve for x
    x = 3,675,528,232.47/54,306.48
  6. Step 6: Final answer
    x = 67,681.21

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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.