Home / 94,134.34-129,989.78-70,219.50

Finding the Fourth Proportional to 94,134.34, 129,989.78 and 70,219.50

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Solution

The fourth proportional to 94,134.34, 129,989.78 and 70,219.50 is: 96,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,134.34 : 129,989.78 = 70,219.50 : x
  2. Step 2: Convert to fraction form
    94,134.34/129,989.78 = 70,219.50/x
  3. Step 3: Cross multiply
    94,134.34x = 129,989.78 × 70,219.50
  4. Step 4: Simplify right side
    94,134.34x = 9,127,817,356.71
  5. Step 5: Solve for x
    x = 9,127,817,356.71/94,134.34
  6. Step 6: Final answer
    x = 96,965.86

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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.