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Finding the Fourth Proportional to 92,361.70, 127,456.59 and 52,075.11

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Solution

The fourth proportional to 92,361.70, 127,456.59 and 52,075.11 is: 71,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,361.70 : 127,456.59 = 52,075.11 : x
  2. Step 2: Convert to fraction form
    92,361.70/127,456.59 = 52,075.11/x
  3. Step 3: Cross multiply
    92,361.70x = 127,456.59 × 52,075.11
  4. Step 4: Simplify right side
    92,361.70x = 6,637,315,944.47
  5. Step 5: Solve for x
    x = 6,637,315,944.47/92,361.70
  6. Step 6: Final answer
    x = 71,862.21

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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.