Home / 78,926.68-118,386.16-29,002.93

Finding the Fourth Proportional to 78,926.68, 118,386.16 and 29,002.93

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Solution

The fourth proportional to 78,926.68, 118,386.16 and 29,002.93 is: 43,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,926.68 : 118,386.16 = 29,002.93 : x
  2. Step 2: Convert to fraction form
    78,926.68/118,386.16 = 29,002.93/x
  3. Step 3: Cross multiply
    78,926.68x = 118,386.16 × 29,002.93
  4. Step 4: Simplify right side
    78,926.68x = 3,433,545,511.45
  5. Step 5: Solve for x
    x = 3,433,545,511.45/78,926.68
  6. Step 6: Final answer
    x = 43,502.98

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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.