Home / 85,515.07-118,010.00-47,275.61

Finding the Fourth Proportional to 85,515.07, 118,010.00 and 47,275.61

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Solution

The fourth proportional to 85,515.07, 118,010.00 and 47,275.61 is: 65,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,515.07 : 118,010.00 = 47,275.61 : x
  2. Step 2: Convert to fraction form
    85,515.07/118,010.00 = 47,275.61/x
  3. Step 3: Cross multiply
    85,515.07x = 118,010.00 × 47,275.61
  4. Step 4: Simplify right side
    85,515.07x = 5,578,993,909.67
  5. Step 5: Solve for x
    x = 5,578,993,909.67/85,515.07
  6. Step 6: Final answer
    x = 65,239.89

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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.