Home / 70,707.11-97,573.28-38,875.74

Finding the Fourth Proportional to 70,707.11, 97,573.28 and 38,875.74

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Solution

The fourth proportional to 70,707.11, 97,573.28 and 38,875.74 is: 53,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,707.11 : 97,573.28 = 38,875.74 : x
  2. Step 2: Convert to fraction form
    70,707.11/97,573.28 = 38,875.74/x
  3. Step 3: Cross multiply
    70,707.11x = 97,573.28 × 38,875.74
  4. Step 4: Simplify right side
    70,707.11x = 3,793,233,269.85
  5. Step 5: Solve for x
    x = 3,793,233,269.85/70,707.11
  6. Step 6: Final answer
    x = 53,647.13

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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.