Home / 70,558.18-97,371.48-38,730.04

Finding the Fourth Proportional to 70,558.18, 97,371.48 and 38,730.04

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Solution

The fourth proportional to 70,558.18, 97,371.48 and 38,730.04 is: 53,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,558.18 : 97,371.48 = 38,730.04 : x
  2. Step 2: Convert to fraction form
    70,558.18/97,371.48 = 38,730.04/x
  3. Step 3: Cross multiply
    70,558.18x = 97,371.48 × 38,730.04
  4. Step 4: Simplify right side
    70,558.18x = 3,771,201,315.26
  5. Step 5: Solve for x
    x = 3,771,201,315.26/70,558.18
  6. Step 6: Final answer
    x = 53,448.11

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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.