Home / 90,807.17-125,242.89-58,986.32

Finding the Fourth Proportional to 90,807.17, 125,242.89 and 58,986.32

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Solution

The fourth proportional to 90,807.17, 125,242.89 and 58,986.32 is: 81,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,807.17 : 125,242.89 = 58,986.32 : x
  2. Step 2: Convert to fraction form
    90,807.17/125,242.89 = 58,986.32/x
  3. Step 3: Cross multiply
    90,807.17x = 125,242.89 × 58,986.32
  4. Step 4: Simplify right side
    90,807.17x = 7,387,617,187.26
  5. Step 5: Solve for x
    x = 7,387,617,187.26/90,807.17
  6. Step 6: Final answer
    x = 81,355.00

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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.