Home / 70,374.19-97,112.75-38,536.94

Finding the Fourth Proportional to 70,374.19, 97,112.75 and 38,536.94

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Solution

The fourth proportional to 70,374.19, 97,112.75 and 38,536.94 is: 53,178.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,374.19 : 97,112.75 = 38,536.94 : x
  2. Step 2: Convert to fraction form
    70,374.19/97,112.75 = 38,536.94/x
  3. Step 3: Cross multiply
    70,374.19x = 97,112.75 × 38,536.94
  4. Step 4: Simplify right side
    70,374.19x = 3,742,428,219.99
  5. Step 5: Solve for x
    x = 3,742,428,219.99/70,374.19
  6. Step 6: Final answer
    x = 53,178.99

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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.