Home / 70,461.09-97,237.67-38,628.09

Finding the Fourth Proportional to 70,461.09, 97,237.67 and 38,628.09

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Solution

The fourth proportional to 70,461.09, 97,237.67 and 38,628.09 is: 53,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,461.09 : 97,237.67 = 38,628.09 : x
  2. Step 2: Convert to fraction form
    70,461.09/97,237.67 = 38,628.09/x
  3. Step 3: Cross multiply
    70,461.09x = 97,237.67 × 38,628.09
  4. Step 4: Simplify right side
    70,461.09x = 3,756,105,275.01
  5. Step 5: Solve for x
    x = 3,756,105,275.01/70,461.09
  6. Step 6: Final answer
    x = 53,307.51

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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.