Home / 70,688.94-97,551.42-38,423.70

Finding the Fourth Proportional to 70,688.94, 97,551.42 and 38,423.70

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Solution

The fourth proportional to 70,688.94, 97,551.42 and 38,423.70 is: 53,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.94 : 97,551.42 = 38,423.70 : x
  2. Step 2: Convert to fraction form
    70,688.94/97,551.42 = 38,423.70/x
  3. Step 3: Cross multiply
    70,688.94x = 97,551.42 × 38,423.70
  4. Step 4: Simplify right side
    70,688.94x = 3,748,286,008.90
  5. Step 5: Solve for x
    x = 3,748,286,008.90/70,688.94
  6. Step 6: Final answer
    x = 53,025.07

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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.