Home / 112,596.13-155,382.06-61,607.98

Finding the Fourth Proportional to 112,596.13, 155,382.06 and 61,607.98

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Solution

The fourth proportional to 112,596.13, 155,382.06 and 61,607.98 is: 85,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,596.13 : 155,382.06 = 61,607.98 : x
  2. Step 2: Convert to fraction form
    112,596.13/155,382.06 = 61,607.98/x
  3. Step 3: Cross multiply
    112,596.13x = 155,382.06 × 61,607.98
  4. Step 4: Simplify right side
    112,596.13x = 9,572,774,844.84
  5. Step 5: Solve for x
    x = 9,572,774,844.84/112,596.13
  6. Step 6: Final answer
    x = 85,018.68

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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.