Home / 67,075.48-92,551.08-38,403.88

Finding the Fourth Proportional to 67,075.48, 92,551.08 and 38,403.88

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Solution

The fourth proportional to 67,075.48, 92,551.08 and 38,403.88 is: 52,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,075.48 : 92,551.08 = 38,403.88 : x
  2. Step 2: Convert to fraction form
    67,075.48/92,551.08 = 38,403.88/x
  3. Step 3: Cross multiply
    67,075.48x = 92,551.08 × 38,403.88
  4. Step 4: Simplify right side
    67,075.48x = 3,554,320,570.19
  5. Step 5: Solve for x
    x = 3,554,320,570.19/67,075.48
  6. Step 6: Final answer
    x = 52,989.86

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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.