Home / 90,587.34-125,008.56-50,298.84

Finding the Fourth Proportional to 90,587.34, 125,008.56 and 50,298.84

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Solution

The fourth proportional to 90,587.34, 125,008.56 and 50,298.84 is: 69,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,587.34 : 125,008.56 = 50,298.84 : x
  2. Step 2: Convert to fraction form
    90,587.34/125,008.56 = 50,298.84/x
  3. Step 3: Cross multiply
    90,587.34x = 125,008.56 × 50,298.84
  4. Step 4: Simplify right side
    90,587.34x = 6,287,785,558.07
  5. Step 5: Solve for x
    x = 6,287,785,558.07/90,587.34
  6. Step 6: Final answer
    x = 69,411.31

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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.