Home / 91,744.50-126,607.64-53,530.32

Finding the Fourth Proportional to 91,744.50, 126,607.64 and 53,530.32

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Solution

The fourth proportional to 91,744.50, 126,607.64 and 53,530.32 is: 73,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,744.50 : 126,607.64 = 53,530.32 : x
  2. Step 2: Convert to fraction form
    91,744.50/126,607.64 = 53,530.32/x
  3. Step 3: Cross multiply
    91,744.50x = 126,607.64 × 53,530.32
  4. Step 4: Simplify right side
    91,744.50x = 6,777,347,483.64
  5. Step 5: Solve for x
    x = 6,777,347,483.64/91,744.50
  6. Step 6: Final answer
    x = 73,871.98

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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.