Home / 83,567.04-115,330.40-47,750.11

Finding the Fourth Proportional to 83,567.04, 115,330.40 and 47,750.11

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Solution

The fourth proportional to 83,567.04, 115,330.40 and 47,750.11 is: 65,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,567.04 : 115,330.40 = 47,750.11 : x
  2. Step 2: Convert to fraction form
    83,567.04/115,330.40 = 47,750.11/x
  3. Step 3: Cross multiply
    83,567.04x = 115,330.40 × 47,750.11
  4. Step 4: Simplify right side
    83,567.04x = 5,507,038,938.33
  5. Step 5: Solve for x
    x = 5,507,038,938.33/83,567.04
  6. Step 6: Final answer
    x = 65,899.66

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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.