Home / 99,695.24-137,574.57-59,408.10

Finding the Fourth Proportional to 99,695.24, 137,574.57 and 59,408.10

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Solution

The fourth proportional to 99,695.24, 137,574.57 and 59,408.10 is: 81,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,695.24 : 137,574.57 = 59,408.10 : x
  2. Step 2: Convert to fraction form
    99,695.24/137,574.57 = 59,408.10/x
  3. Step 3: Cross multiply
    99,695.24x = 137,574.57 × 59,408.10
  4. Step 4: Simplify right side
    99,695.24x = 8,173,043,812.02
  5. Step 5: Solve for x
    x = 8,173,043,812.02/99,695.24
  6. Step 6: Final answer
    x = 81,980.29

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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.