Home / 92,834.36-128,075.53-52,538.88

Finding the Fourth Proportional to 92,834.36, 128,075.53 and 52,538.88

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Solution

The fourth proportional to 92,834.36, 128,075.53 and 52,538.88 is: 72,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,834.36 : 128,075.53 = 52,538.88 : x
  2. Step 2: Convert to fraction form
    92,834.36/128,075.53 = 52,538.88/x
  3. Step 3: Cross multiply
    92,834.36x = 128,075.53 × 52,538.88
  4. Step 4: Simplify right side
    92,834.36x = 6,728,944,901.61
  5. Step 5: Solve for x
    x = 6,728,944,901.61/92,834.36
  6. Step 6: Final answer
    x = 72,483.34

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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.