Home / 66,840.32-92,268.11-45,041.40

Finding the Fourth Proportional to 66,840.32, 92,268.11 and 45,041.40

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Solution

The fourth proportional to 66,840.32, 92,268.11 and 45,041.40 is: 62,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,840.32 : 92,268.11 = 45,041.40 : x
  2. Step 2: Convert to fraction form
    66,840.32/92,268.11 = 45,041.40/x
  3. Step 3: Cross multiply
    66,840.32x = 92,268.11 × 45,041.40
  4. Step 4: Simplify right side
    66,840.32x = 4,155,884,962.36
  5. Step 5: Solve for x
    x = 4,155,884,962.36/66,840.32
  6. Step 6: Final answer
    x = 62,176.32

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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.