Home / 70,368.09-97,107.20-38,535.09

Finding the Fourth Proportional to 70,368.09, 97,107.20 and 38,535.09

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Solution

The fourth proportional to 70,368.09, 97,107.20 and 38,535.09 is: 53,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.09 : 97,107.20 = 38,535.09 : x
  2. Step 2: Convert to fraction form
    70,368.09/97,107.20 = 38,535.09/x
  3. Step 3: Cross multiply
    70,368.09x = 97,107.20 × 38,535.09
  4. Step 4: Simplify right side
    70,368.09x = 3,742,034,498.97
  5. Step 5: Solve for x
    x = 3,742,034,498.97/70,368.09
  6. Step 6: Final answer
    x = 53,178.00

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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.