Home / 94,130.90-130,016.43-70,363.69

Finding the Fourth Proportional to 94,130.90, 130,016.43 and 70,363.69

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Solution

The fourth proportional to 94,130.90, 130,016.43 and 70,363.69 is: 97,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,130.90 : 130,016.43 = 70,363.69 : x
  2. Step 2: Convert to fraction form
    94,130.90/130,016.43 = 70,363.69/x
  3. Step 3: Cross multiply
    94,130.90x = 130,016.43 × 70,363.69
  4. Step 4: Simplify right side
    94,130.90x = 9,148,435,775.43
  5. Step 5: Solve for x
    x = 9,148,435,775.43/94,130.90
  6. Step 6: Final answer
    x = 97,188.44

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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.