Home / 112,060.55-154,647.49-61,077.53

Finding the Fourth Proportional to 112,060.55, 154,647.49 and 61,077.53

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Solution

The fourth proportional to 112,060.55, 154,647.49 and 61,077.53 is: 84,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,060.55 : 154,647.49 = 61,077.53 : x
  2. Step 2: Convert to fraction form
    112,060.55/154,647.49 = 61,077.53/x
  3. Step 3: Cross multiply
    112,060.55x = 154,647.49 × 61,077.53
  4. Step 4: Simplify right side
    112,060.55x = 9,445,486,943.82
  5. Step 5: Solve for x
    x = 9,445,486,943.82/112,060.55
  6. Step 6: Final answer
    x = 84,289.13

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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.