Home / 66,870.09-92,277.45-40,027.32

Finding the Fourth Proportional to 66,870.09, 92,277.45 and 40,027.32

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Solution

The fourth proportional to 66,870.09, 92,277.45 and 40,027.32 is: 55,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,870.09 : 92,277.45 = 40,027.32 : x
  2. Step 2: Convert to fraction form
    66,870.09/92,277.45 = 40,027.32/x
  3. Step 3: Cross multiply
    66,870.09x = 92,277.45 × 40,027.32
  4. Step 4: Simplify right side
    66,870.09x = 3,693,619,019.93
  5. Step 5: Solve for x
    x = 3,693,619,019.93/66,870.09
  6. Step 6: Final answer
    x = 55,235.74

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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.