Home / 81,577.16-112,575.81-45,767.16

Finding the Fourth Proportional to 81,577.16, 112,575.81 and 45,767.16

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Solution

The fourth proportional to 81,577.16, 112,575.81 and 45,767.16 is: 63,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,577.16 : 112,575.81 = 45,767.16 : x
  2. Step 2: Convert to fraction form
    81,577.16/112,575.81 = 45,767.16/x
  3. Step 3: Cross multiply
    81,577.16x = 112,575.81 × 45,767.16
  4. Step 4: Simplify right side
    81,577.16x = 5,152,275,108.40
  5. Step 5: Solve for x
    x = 5,152,275,108.40/81,577.16
  6. Step 6: Final answer
    x = 63,158.30

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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.