Home / 106,771.32-147,331.62-59,018.18

Finding the Fourth Proportional to 106,771.32, 147,331.62 and 59,018.18

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Solution

The fourth proportional to 106,771.32, 147,331.62 and 59,018.18 is: 81,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,771.32 : 147,331.62 = 59,018.18 : x
  2. Step 2: Convert to fraction form
    106,771.32/147,331.62 = 59,018.18/x
  3. Step 3: Cross multiply
    106,771.32x = 147,331.62 × 59,018.18
  4. Step 4: Simplify right side
    106,771.32x = 8,695,243,332.19
  5. Step 5: Solve for x
    x = 8,695,243,332.19/106,771.32
  6. Step 6: Final answer
    x = 81,438.01

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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.