Home / 91,530.36-126,290.16-53,266.77

Finding the Fourth Proportional to 91,530.36, 126,290.16 and 53,266.77

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Solution

The fourth proportional to 91,530.36, 126,290.16 and 53,266.77 is: 73,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,530.36 : 126,290.16 = 53,266.77 : x
  2. Step 2: Convert to fraction form
    91,530.36/126,290.16 = 53,266.77/x
  3. Step 3: Cross multiply
    91,530.36x = 126,290.16 × 53,266.77
  4. Step 4: Simplify right side
    91,530.36x = 6,727,068,905.98
  5. Step 5: Solve for x
    x = 6,727,068,905.98/91,530.36
  6. Step 6: Final answer
    x = 73,495.49

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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.