Home / 66,719.88-92,075.58-38,039.04

Finding the Fourth Proportional to 66,719.88, 92,075.58 and 38,039.04

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Solution

The fourth proportional to 66,719.88, 92,075.58 and 38,039.04 is: 52,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,719.88 : 92,075.58 = 38,039.04 : x
  2. Step 2: Convert to fraction form
    66,719.88/92,075.58 = 38,039.04/x
  3. Step 3: Cross multiply
    66,719.88x = 92,075.58 × 38,039.04
  4. Step 4: Simplify right side
    66,719.88x = 3,502,466,670.64
  5. Step 5: Solve for x
    x = 3,502,466,670.64/66,719.88
  6. Step 6: Final answer
    x = 52,495.10

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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.