Home / 85,781.93-118,379.06-47,547.22

Finding the Fourth Proportional to 85,781.93, 118,379.06 and 47,547.22

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Solution

The fourth proportional to 85,781.93, 118,379.06 and 47,547.22 is: 65,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,781.93 : 118,379.06 = 47,547.22 : x
  2. Step 2: Convert to fraction form
    85,781.93/118,379.06 = 47,547.22/x
  3. Step 3: Cross multiply
    85,781.93x = 118,379.06 × 47,547.22
  4. Step 4: Simplify right side
    85,781.93x = 5,628,595,840.44
  5. Step 5: Solve for x
    x = 5,628,595,840.44/85,781.93
  6. Step 6: Final answer
    x = 65,615.17

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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.