Home / 70,411.39-97,167.08-38,145.27

Finding the Fourth Proportional to 70,411.39, 97,167.08 and 38,145.27

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Solution

The fourth proportional to 70,411.39, 97,167.08 and 38,145.27 is: 52,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,411.39 : 97,167.08 = 38,145.27 : x
  2. Step 2: Convert to fraction form
    70,411.39/97,167.08 = 38,145.27/x
  3. Step 3: Cross multiply
    70,411.39x = 97,167.08 × 38,145.27
  4. Step 4: Simplify right side
    70,411.39x = 3,706,464,501.71
  5. Step 5: Solve for x
    x = 3,706,464,501.71/70,411.39
  6. Step 6: Final answer
    x = 52,640.13

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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.