Home / 76,126.28-105,075.35-44,301.30

Finding the Fourth Proportional to 76,126.28, 105,075.35 and 44,301.30

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Solution

The fourth proportional to 76,126.28, 105,075.35 and 44,301.30 is: 61,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,126.28 : 105,075.35 = 44,301.30 : x
  2. Step 2: Convert to fraction form
    76,126.28/105,075.35 = 44,301.30/x
  3. Step 3: Cross multiply
    76,126.28x = 105,075.35 × 44,301.30
  4. Step 4: Simplify right side
    76,126.28x = 4,654,974,381.45
  5. Step 5: Solve for x
    x = 4,654,974,381.45/76,126.28
  6. Step 6: Final answer
    x = 61,148.06

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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.