Home / 70,368.55-97,108.64-38,103.18

Finding the Fourth Proportional to 70,368.55, 97,108.64 and 38,103.18

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Solution

The fourth proportional to 70,368.55, 97,108.64 and 38,103.18 is: 52,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.55 : 97,108.64 = 38,103.18 : x
  2. Step 2: Convert to fraction form
    70,368.55/97,108.64 = 38,103.18/x
  3. Step 3: Cross multiply
    70,368.55x = 97,108.64 × 38,103.18
  4. Step 4: Simplify right side
    70,368.55x = 3,700,147,989.48
  5. Step 5: Solve for x
    x = 3,700,147,989.48/70,368.55
  6. Step 6: Final answer
    x = 52,582.41

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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.