Home / 94,701.50-130,688.84-51,681.33

Finding the Fourth Proportional to 94,701.50, 130,688.84 and 51,681.33

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Solution

The fourth proportional to 94,701.50, 130,688.84 and 51,681.33 is: 71,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,701.50 : 130,688.84 = 51,681.33 : x
  2. Step 2: Convert to fraction form
    94,701.50/130,688.84 = 51,681.33/x
  3. Step 3: Cross multiply
    94,701.50x = 130,688.84 × 51,681.33
  4. Step 4: Simplify right side
    94,701.50x = 6,754,173,512.75
  5. Step 5: Solve for x
    x = 6,754,173,512.75/94,701.50
  6. Step 6: Final answer
    x = 71,320.66

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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.