Home / 71,266.23-98,345.95-39,435.12

Finding the Fourth Proportional to 71,266.23, 98,345.95 and 39,435.12

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Solution

The fourth proportional to 71,266.23, 98,345.95 and 39,435.12 is: 54,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,266.23 : 98,345.95 = 39,435.12 : x
  2. Step 2: Convert to fraction form
    71,266.23/98,345.95 = 39,435.12/x
  3. Step 3: Cross multiply
    71,266.23x = 98,345.95 × 39,435.12
  4. Step 4: Simplify right side
    71,266.23x = 3,878,284,241.18
  5. Step 5: Solve for x
    x = 3,878,284,241.18/71,266.23
  6. Step 6: Final answer
    x = 54,419.66

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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.