Home / 94,865.96-130,909.86-52,421.75

Finding the Fourth Proportional to 94,865.96, 130,909.86 and 52,421.75

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Solution

The fourth proportional to 94,865.96, 130,909.86 and 52,421.75 is: 72,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,865.96 : 130,909.86 = 52,421.75 : x
  2. Step 2: Convert to fraction form
    94,865.96/130,909.86 = 52,421.75/x
  3. Step 3: Cross multiply
    94,865.96x = 130,909.86 × 52,421.75
  4. Step 4: Simplify right side
    94,865.96x = 6,862,523,953.46
  5. Step 5: Solve for x
    x = 6,862,523,953.46/94,865.96
  6. Step 6: Final answer
    x = 72,339.16

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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.