Home / 89,690.32-134,534.04-30,567.16

Finding the Fourth Proportional to 89,690.32, 134,534.04 and 30,567.16

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Solution

The fourth proportional to 89,690.32, 134,534.04 and 30,567.16 is: 45,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,690.32 : 134,534.04 = 30,567.16 : x
  2. Step 2: Convert to fraction form
    89,690.32/134,534.04 = 30,567.16/x
  3. Step 3: Cross multiply
    89,690.32x = 134,534.04 × 30,567.16
  4. Step 4: Simplify right side
    89,690.32x = 4,112,323,526.13
  5. Step 5: Solve for x
    x = 4,112,323,526.13/89,690.32
  6. Step 6: Final answer
    x = 45,850.25

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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.