Home / 105,714.06-145,886.01-57,316.35

Finding the Fourth Proportional to 105,714.06, 145,886.01 and 57,316.35

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Solution

The fourth proportional to 105,714.06, 145,886.01 and 57,316.35 is: 79,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,714.06 : 145,886.01 = 57,316.35 : x
  2. Step 2: Convert to fraction form
    105,714.06/145,886.01 = 57,316.35/x
  3. Step 3: Cross multiply
    105,714.06x = 145,886.01 × 57,316.35
  4. Step 4: Simplify right side
    105,714.06x = 8,361,653,609.26
  5. Step 5: Solve for x
    x = 8,361,653,609.26/105,714.06
  6. Step 6: Final answer
    x = 79,096.89

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1.5x scale

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.