Home / 107,107.08-147,807.78-59,363.51

Finding the Fourth Proportional to 107,107.08, 147,807.78 and 59,363.51

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Solution

The fourth proportional to 107,107.08, 147,807.78 and 59,363.51 is: 81,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,107.08 : 147,807.78 = 59,363.51 : x
  2. Step 2: Convert to fraction form
    107,107.08/147,807.78 = 59,363.51/x
  3. Step 3: Cross multiply
    107,107.08x = 147,807.78 × 59,363.51
  4. Step 4: Simplify right side
    107,107.08x = 8,774,387,887.07
  5. Step 5: Solve for x
    x = 8,774,387,887.07/107,107.08
  6. Step 6: Final answer
    x = 81,921.65

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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.