Home / 85,945.44-118,598.40-47,707.20

Finding the Fourth Proportional to 85,945.44, 118,598.40 and 47,707.20

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Solution

The fourth proportional to 85,945.44, 118,598.40 and 47,707.20 is: 65,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,945.44 : 118,598.40 = 47,707.20 : x
  2. Step 2: Convert to fraction form
    85,945.44/118,598.40 = 47,707.20/x
  3. Step 3: Cross multiply
    85,945.44x = 118,598.40 × 47,707.20
  4. Step 4: Simplify right side
    85,945.44x = 5,657,997,588.48
  5. Step 5: Solve for x
    x = 5,657,997,588.48/85,945.44
  6. Step 6: Final answer
    x = 65,832.43

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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.