Home / 112,472.01-155,211.66-61,485.35

Finding the Fourth Proportional to 112,472.01, 155,211.66 and 61,485.35

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Solution

The fourth proportional to 112,472.01, 155,211.66 and 61,485.35 is: 84,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,472.01 : 155,211.66 = 61,485.35 : x
  2. Step 2: Convert to fraction form
    112,472.01/155,211.66 = 61,485.35/x
  3. Step 3: Cross multiply
    112,472.01x = 155,211.66 × 61,485.35
  4. Step 4: Simplify right side
    112,472.01x = 9,543,242,463.12
  5. Step 5: Solve for x
    x = 9,543,242,463.12/112,472.01
  6. Step 6: Final answer
    x = 84,849.93

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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.