Home / 112,573.88-155,353.18-61,585.52

Finding the Fourth Proportional to 112,573.88, 155,353.18 and 61,585.52

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Solution

The fourth proportional to 112,573.88, 155,353.18 and 61,585.52 is: 84,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,573.88 : 155,353.18 = 61,585.52 : x
  2. Step 2: Convert to fraction form
    112,573.88/155,353.18 = 61,585.52/x
  3. Step 3: Cross multiply
    112,573.88x = 155,353.18 × 61,585.52
  4. Step 4: Simplify right side
    112,573.88x = 9,567,506,373.95
  5. Step 5: Solve for x
    x = 9,567,506,373.95/112,573.88
  6. Step 6: Final answer
    x = 84,988.69

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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.