Home / 70,514.96-97,315.08-38,683.92

Finding the Fourth Proportional to 70,514.96, 97,315.08 and 38,683.92

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Solution

The fourth proportional to 70,514.96, 97,315.08 and 38,683.92 is: 53,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,514.96 : 97,315.08 = 38,683.92 : x
  2. Step 2: Convert to fraction form
    70,514.96/97,315.08 = 38,683.92/x
  3. Step 3: Cross multiply
    70,514.96x = 97,315.08 × 38,683.92
  4. Step 4: Simplify right side
    70,514.96x = 3,764,528,769.51
  5. Step 5: Solve for x
    x = 3,764,528,769.51/70,514.96
  6. Step 6: Final answer
    x = 53,386.24

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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.