Home / 75,130.63-112,714.35-34,585.17

Finding the Fourth Proportional to 75,130.63, 112,714.35 and 34,585.17

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Solution

The fourth proportional to 75,130.63, 112,714.35 and 34,585.17 is: 51,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,130.63 : 112,714.35 = 34,585.17 : x
  2. Step 2: Convert to fraction form
    75,130.63/112,714.35 = 34,585.17/x
  3. Step 3: Cross multiply
    75,130.63x = 112,714.35 × 34,585.17
  4. Step 4: Simplify right side
    75,130.63x = 3,898,244,956.19
  5. Step 5: Solve for x
    x = 3,898,244,956.19/75,130.63
  6. Step 6: Final answer
    x = 51,886.23

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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.