Home / 70,513.49-97,308.13-38,247.98

Finding the Fourth Proportional to 70,513.49, 97,308.13 and 38,247.98

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Solution

The fourth proportional to 70,513.49, 97,308.13 and 38,247.98 is: 52,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,513.49 : 97,308.13 = 38,247.98 : x
  2. Step 2: Convert to fraction form
    70,513.49/97,308.13 = 38,247.98/x
  3. Step 3: Cross multiply
    70,513.49x = 97,308.13 × 38,247.98
  4. Step 4: Simplify right side
    70,513.49x = 3,721,838,827.92
  5. Step 5: Solve for x
    x = 3,721,838,827.92/70,513.49
  6. Step 6: Final answer
    x = 52,781.94

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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.