Home / 70,459.23-97,233.73-38,628.35

Finding the Fourth Proportional to 70,459.23, 97,233.73 and 38,628.35

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Solution

The fourth proportional to 70,459.23, 97,233.73 and 38,628.35 is: 53,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,459.23 : 97,233.73 = 38,628.35 : x
  2. Step 2: Convert to fraction form
    70,459.23/97,233.73 = 38,628.35/x
  3. Step 3: Cross multiply
    70,459.23x = 97,233.73 × 38,628.35
  4. Step 4: Simplify right side
    70,459.23x = 3,755,978,554.25
  5. Step 5: Solve for x
    x = 3,755,978,554.25/70,459.23
  6. Step 6: Final answer
    x = 53,307.12

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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.