Home / 110,421.66-152,386.47-62,679.45

Finding the Fourth Proportional to 110,421.66, 152,386.47 and 62,679.45

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Solution

The fourth proportional to 110,421.66, 152,386.47 and 62,679.45 is: 86,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,421.66 : 152,386.47 = 62,679.45 : x
  2. Step 2: Convert to fraction form
    110,421.66/152,386.47 = 62,679.45/x
  3. Step 3: Cross multiply
    110,421.66x = 152,386.47 × 62,679.45
  4. Step 4: Simplify right side
    110,421.66x = 9,551,500,127.04
  5. Step 5: Solve for x
    x = 9,551,500,127.04/110,421.66
  6. Step 6: Final answer
    x = 86,500.24

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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.