Home / 107,345.40-160,973.14-40,748.80

Finding the Fourth Proportional to 107,345.40, 160,973.14 and 40,748.80

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Solution

The fourth proportional to 107,345.40, 160,973.14 and 40,748.80 is: 61,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,345.40 : 160,973.14 = 40,748.80 : x
  2. Step 2: Convert to fraction form
    107,345.40/160,973.14 = 40,748.80/x
  3. Step 3: Cross multiply
    107,345.40x = 160,973.14 × 40,748.80
  4. Step 4: Simplify right side
    107,345.40x = 6,559,462,287.23
  5. Step 5: Solve for x
    x = 6,559,462,287.23/107,345.40
  6. Step 6: Final answer
    x = 61,106.13

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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.