Home / 112,068.56-154,655.20-61,767.52

Finding the Fourth Proportional to 112,068.56, 154,655.20 and 61,767.52

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Solution

The fourth proportional to 112,068.56, 154,655.20 and 61,767.52 is: 85,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,068.56 : 154,655.20 = 61,767.52 : x
  2. Step 2: Convert to fraction form
    112,068.56/154,655.20 = 61,767.52/x
  3. Step 3: Cross multiply
    112,068.56x = 154,655.20 × 61,767.52
  4. Step 4: Simplify right side
    112,068.56x = 9,552,668,159.10
  5. Step 5: Solve for x
    x = 9,552,668,159.10/112,068.56
  6. Step 6: Final answer
    x = 85,239.50

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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.