Home / 89,077.04-122,937.04-55,108.08

Finding the Fourth Proportional to 89,077.04, 122,937.04 and 55,108.08

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Solution

The fourth proportional to 89,077.04, 122,937.04 and 55,108.08 is: 76,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,077.04 : 122,937.04 = 55,108.08 : x
  2. Step 2: Convert to fraction form
    89,077.04/122,937.04 = 55,108.08/x
  3. Step 3: Cross multiply
    89,077.04x = 122,937.04 × 55,108.08
  4. Step 4: Simplify right side
    89,077.04x = 6,774,824,235.28
  5. Step 5: Solve for x
    x = 6,774,824,235.28/89,077.04
  6. Step 6: Final answer
    x = 76,055.79

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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.