Home / 85,534.02-128,322.90-35,597.52

Finding the Fourth Proportional to 85,534.02, 128,322.90 and 35,597.52

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Solution

The fourth proportional to 85,534.02, 128,322.90 and 35,597.52 is: 53,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.02 : 128,322.90 = 35,597.52 : x
  2. Step 2: Convert to fraction form
    85,534.02/128,322.90 = 35,597.52/x
  3. Step 3: Cross multiply
    85,534.02x = 128,322.90 × 35,597.52
  4. Step 4: Simplify right side
    85,534.02x = 4,567,976,999.21
  5. Step 5: Solve for x
    x = 4,567,976,999.21/85,534.02
  6. Step 6: Final answer
    x = 53,405.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.