Home / 89,971.04-134,927.52-29,983.52

Finding the Fourth Proportional to 89,971.04, 134,927.52 and 29,983.52

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Solution

The fourth proportional to 89,971.04, 134,927.52 and 29,983.52 is: 44,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,971.04 : 134,927.52 = 29,983.52 : x
  2. Step 2: Convert to fraction form
    89,971.04/134,927.52 = 29,983.52/x
  3. Step 3: Cross multiply
    89,971.04x = 134,927.52 × 29,983.52
  4. Step 4: Simplify right side
    89,971.04x = 4,045,601,994.47
  5. Step 5: Solve for x
    x = 4,045,601,994.47/89,971.04
  6. Step 6: Final answer
    x = 44,965.60

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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.