Home / 58,900.12-81,312.18-45,441.16

Finding the Fourth Proportional to 58,900.12, 81,312.18 and 45,441.16

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Solution

The fourth proportional to 58,900.12, 81,312.18 and 45,441.16 is: 62,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,900.12 : 81,312.18 = 45,441.16 : x
  2. Step 2: Convert to fraction form
    58,900.12/81,312.18 = 45,441.16/x
  3. Step 3: Cross multiply
    58,900.12x = 81,312.18 × 45,441.16
  4. Step 4: Simplify right side
    58,900.12x = 3,694,919,781.33
  5. Step 5: Solve for x
    x = 3,694,919,781.33/58,900.12
  6. Step 6: Final answer
    x = 62,731.96

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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.