Home / 61,759.12-85,224.72-39,110.08

Finding the Fourth Proportional to 61,759.12, 85,224.72 and 39,110.08

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Solution

The fourth proportional to 61,759.12, 85,224.72 and 39,110.08 is: 53,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,759.12 : 85,224.72 = 39,110.08 : x
  2. Step 2: Convert to fraction form
    61,759.12/85,224.72 = 39,110.08/x
  3. Step 3: Cross multiply
    61,759.12x = 85,224.72 × 39,110.08
  4. Step 4: Simplify right side
    61,759.12x = 3,333,145,617.18
  5. Step 5: Solve for x
    x = 3,333,145,617.18/61,759.12
  6. Step 6: Final answer
    x = 53,970.10

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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.