Home / 85,646.07-118,191.75-47,408.22

Finding the Fourth Proportional to 85,646.07, 118,191.75 and 47,408.22

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Solution

The fourth proportional to 85,646.07, 118,191.75 and 47,408.22 is: 65,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,646.07 : 118,191.75 = 47,408.22 : x
  2. Step 2: Convert to fraction form
    85,646.07/118,191.75 = 47,408.22/x
  3. Step 3: Cross multiply
    85,646.07x = 118,191.75 × 47,408.22
  4. Step 4: Simplify right side
    85,646.07x = 5,603,260,486.19
  5. Step 5: Solve for x
    x = 5,603,260,486.19/85,646.07
  6. Step 6: Final answer
    x = 65,423.44

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1.5x scale

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.