Home / 65,951.22-91,008.36-42,075.35

Finding the Fourth Proportional to 65,951.22, 91,008.36 and 42,075.35

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Solution

The fourth proportional to 65,951.22, 91,008.36 and 42,075.35 is: 58,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,951.22 : 91,008.36 = 42,075.35 : x
  2. Step 2: Convert to fraction form
    65,951.22/91,008.36 = 42,075.35/x
  3. Step 3: Cross multiply
    65,951.22x = 91,008.36 × 42,075.35
  4. Step 4: Simplify right side
    65,951.22x = 3,829,208,144.88
  5. Step 5: Solve for x
    x = 3,829,208,144.88/65,951.22
  6. Step 6: Final answer
    x = 58,061.22

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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.