Home / 69,931.08-96,501.54-39,712.41

Finding the Fourth Proportional to 69,931.08, 96,501.54 and 39,712.41

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Solution

The fourth proportional to 69,931.08, 96,501.54 and 39,712.41 is: 54,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,931.08 : 96,501.54 = 39,712.41 : x
  2. Step 2: Convert to fraction form
    69,931.08/96,501.54 = 39,712.41/x
  3. Step 3: Cross multiply
    69,931.08x = 96,501.54 × 39,712.41
  4. Step 4: Simplify right side
    69,931.08x = 3,832,308,722.11
  5. Step 5: Solve for x
    x = 3,832,308,722.11/69,931.08
  6. Step 6: Final answer
    x = 54,801.22

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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.