Home / 66,490.83-99,346.86-64,165.32

Finding the Fourth Proportional to 66,490.83, 99,346.86 and 64,165.32

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Solution

The fourth proportional to 66,490.83, 99,346.86 and 64,165.32 is: 95,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,490.83 : 99,346.86 = 64,165.32 : x
  2. Step 2: Convert to fraction form
    66,490.83/99,346.86 = 64,165.32/x
  3. Step 3: Cross multiply
    66,490.83x = 99,346.86 × 64,165.32
  4. Step 4: Simplify right side
    66,490.83x = 6,374,623,062.90
  5. Step 5: Solve for x
    x = 6,374,623,062.90/66,490.83
  6. Step 6: Final answer
    x = 95,872.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.