Home / 90,881.64-125,437.34-58,995.18

Finding the Fourth Proportional to 90,881.64, 125,437.34 and 58,995.18

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Solution

The fourth proportional to 90,881.64, 125,437.34 and 58,995.18 is: 81,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,881.64 : 125,437.34 = 58,995.18 : x
  2. Step 2: Convert to fraction form
    90,881.64/125,437.34 = 58,995.18/x
  3. Step 3: Cross multiply
    90,881.64x = 125,437.34 × 58,995.18
  4. Step 4: Simplify right side
    90,881.64x = 7,400,198,599.51
  5. Step 5: Solve for x
    x = 7,400,198,599.51/90,881.64
  6. Step 6: Final answer
    x = 81,426.77

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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.