Home / 90,565.02-135,670.81-59,305.50

Finding the Fourth Proportional to 90,565.02, 135,670.81 and 59,305.50

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Solution

The fourth proportional to 90,565.02, 135,670.81 and 59,305.50 is: 88,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,565.02 : 135,670.81 = 59,305.50 : x
  2. Step 2: Convert to fraction form
    90,565.02/135,670.81 = 59,305.50/x
  3. Step 3: Cross multiply
    90,565.02x = 135,670.81 × 59,305.50
  4. Step 4: Simplify right side
    90,565.02x = 8,046,025,222.46
  5. Step 5: Solve for x
    x = 8,046,025,222.46/90,565.02
  6. Step 6: Final answer
    x = 88,842.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.