Home / 78,875.02-118,294.70-22,715.02

Finding the Fourth Proportional to 78,875.02, 118,294.70 and 22,715.02

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Solution

The fourth proportional to 78,875.02, 118,294.70 and 22,715.02 is: 34,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,875.02 : 118,294.70 = 22,715.02 : x
  2. Step 2: Convert to fraction form
    78,875.02/118,294.70 = 22,715.02/x
  3. Step 3: Cross multiply
    78,875.02x = 118,294.70 × 22,715.02
  4. Step 4: Simplify right side
    78,875.02x = 2,687,066,476.39
  5. Step 5: Solve for x
    x = 2,687,066,476.39/78,875.02
  6. Step 6: Final answer
    x = 34,067.40

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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.