Home / 58,799.12-81,144.18-31,943.16

Finding the Fourth Proportional to 58,799.12, 81,144.18 and 31,943.16

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Solution

The fourth proportional to 58,799.12, 81,144.18 and 31,943.16 is: 44,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,799.12 : 81,144.18 = 31,943.16 : x
  2. Step 2: Convert to fraction form
    58,799.12/81,144.18 = 31,943.16/x
  3. Step 3: Cross multiply
    58,799.12x = 81,144.18 × 31,943.16
  4. Step 4: Simplify right side
    58,799.12x = 2,592,001,524.81
  5. Step 5: Solve for x
    x = 2,592,001,524.81/58,799.12
  6. Step 6: Final answer
    x = 44,082.32

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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.