Home / 85,901.02-118,539.40-47,660.16

Finding the Fourth Proportional to 85,901.02, 118,539.40 and 47,660.16

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Solution

The fourth proportional to 85,901.02, 118,539.40 and 47,660.16 is: 65,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,901.02 : 118,539.40 = 47,660.16 : x
  2. Step 2: Convert to fraction form
    85,901.02/118,539.40 = 47,660.16/x
  3. Step 3: Cross multiply
    85,901.02x = 118,539.40 × 47,660.16
  4. Step 4: Simplify right side
    85,901.02x = 5,649,606,770.30
  5. Step 5: Solve for x
    x = 5,649,606,770.30/85,901.02
  6. Step 6: Final answer
    x = 65,768.80

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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.