Home / 70,439.24-97,206.14-38,607.45

Finding the Fourth Proportional to 70,439.24, 97,206.14 and 38,607.45

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Solution

The fourth proportional to 70,439.24, 97,206.14 and 38,607.45 is: 53,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,439.24 : 97,206.14 = 38,607.45 : x
  2. Step 2: Convert to fraction form
    70,439.24/97,206.14 = 38,607.45/x
  3. Step 3: Cross multiply
    70,439.24x = 97,206.14 × 38,607.45
  4. Step 4: Simplify right side
    70,439.24x = 3,752,881,189.74
  5. Step 5: Solve for x
    x = 3,752,881,189.74/70,439.24
  6. Step 6: Final answer
    x = 53,278.28

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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.