Home / 84,756.35-127,134.52-66,050.39

Finding the Fourth Proportional to 84,756.35, 127,134.52 and 66,050.39

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Solution

The fourth proportional to 84,756.35, 127,134.52 and 66,050.39 is: 99,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,756.35 : 127,134.52 = 66,050.39 : x
  2. Step 2: Convert to fraction form
    84,756.35/127,134.52 = 66,050.39/x
  3. Step 3: Cross multiply
    84,756.35x = 127,134.52 × 66,050.39
  4. Step 4: Simplify right side
    84,756.35x = 8,397,283,827.66
  5. Step 5: Solve for x
    x = 8,397,283,827.66/84,756.35
  6. Step 6: Final answer
    x = 99,075.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.