Home / 112,848.47-169,275.13-53,690.12

Finding the Fourth Proportional to 112,848.47, 169,275.13 and 53,690.12

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Solution

The fourth proportional to 112,848.47, 169,275.13 and 53,690.12 is: 80,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,848.47 : 169,275.13 = 53,690.12 : x
  2. Step 2: Convert to fraction form
    112,848.47/169,275.13 = 53,690.12/x
  3. Step 3: Cross multiply
    112,848.47x = 169,275.13 × 53,690.12
  4. Step 4: Simplify right side
    112,848.47x = 9,088,401,062.11
  5. Step 5: Solve for x
    x = 9,088,401,062.11/112,848.47
  6. Step 6: Final answer
    x = 80,536.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.