Home / 90,061.02-135,098.28-26,876.16

Finding the Fourth Proportional to 90,061.02, 135,098.28 and 26,876.16

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Solution

The fourth proportional to 90,061.02, 135,098.28 and 26,876.16 is: 40,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,061.02 : 135,098.28 = 26,876.16 : x
  2. Step 2: Convert to fraction form
    90,061.02/135,098.28 = 26,876.16/x
  3. Step 3: Cross multiply
    90,061.02x = 135,098.28 × 26,876.16
  4. Step 4: Simplify right side
    90,061.02x = 3,630,922,989.00
  5. Step 5: Solve for x
    x = 3,630,922,989.00/90,061.02
  6. Step 6: Final answer
    x = 40,316.25

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1.5x scale

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.