Home / 112,610.58-155,402.59-61,623.32

Finding the Fourth Proportional to 112,610.58, 155,402.59 and 61,623.32

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Solution

The fourth proportional to 112,610.58, 155,402.59 and 61,623.32 is: 85,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,610.58 : 155,402.59 = 61,623.32 : x
  2. Step 2: Convert to fraction form
    112,610.58/155,402.59 = 61,623.32/x
  3. Step 3: Cross multiply
    112,610.58x = 155,402.59 × 61,623.32
  4. Step 4: Simplify right side
    112,610.58x = 9,576,423,532.40
  5. Step 5: Solve for x
    x = 9,576,423,532.40/112,610.58
  6. Step 6: Final answer
    x = 85,040.18

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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.