Home / 90,690.60-136,035.69-24,130.74

Finding the Fourth Proportional to 90,690.60, 136,035.69 and 24,130.74

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Solution

The fourth proportional to 90,690.60, 136,035.69 and 24,130.74 is: 36,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,690.60 : 136,035.69 = 24,130.74 : x
  2. Step 2: Convert to fraction form
    90,690.60/136,035.69 = 24,130.74/x
  3. Step 3: Cross multiply
    90,690.60x = 136,035.69 × 24,130.74
  4. Step 4: Simplify right side
    90,690.60x = 3,282,641,866.11
  5. Step 5: Solve for x
    x = 3,282,641,866.11/90,690.60
  6. Step 6: Final answer
    x = 36,196.05

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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.