Home / 59,420.16-89,130.96-19,977.12

Finding the Fourth Proportional to 59,420.16, 89,130.96 and 19,977.12

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Solution

The fourth proportional to 59,420.16, 89,130.96 and 19,977.12 is: 29,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,420.16 : 89,130.96 = 19,977.12 : x
  2. Step 2: Convert to fraction form
    59,420.16/89,130.96 = 19,977.12/x
  3. Step 3: Cross multiply
    59,420.16x = 89,130.96 × 19,977.12
  4. Step 4: Simplify right side
    59,420.16x = 1,780,579,883.64
  5. Step 5: Solve for x
    x = 1,780,579,883.64/59,420.16
  6. Step 6: Final answer
    x = 29,965.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.