Home / 112,500.63-155,253.12-61,516.56

Finding the Fourth Proportional to 112,500.63, 155,253.12 and 61,516.56

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Solution

The fourth proportional to 112,500.63, 155,253.12 and 61,516.56 is: 84,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,500.63 : 155,253.12 = 61,516.56 : x
  2. Step 2: Convert to fraction form
    112,500.63/155,253.12 = 61,516.56/x
  3. Step 3: Cross multiply
    112,500.63x = 155,253.12 × 61,516.56
  4. Step 4: Simplify right side
    112,500.63x = 9,550,637,871.67
  5. Step 5: Solve for x
    x = 9,550,637,871.67/112,500.63
  6. Step 6: Final answer
    x = 84,894.08

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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.