Home / 69,961.52-96,547.85-38,130.35

Finding the Fourth Proportional to 69,961.52, 96,547.85 and 38,130.35

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Solution

The fourth proportional to 69,961.52, 96,547.85 and 38,130.35 is: 52,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961.52 : 96,547.85 = 38,130.35 : x
  2. Step 2: Convert to fraction form
    69,961.52/96,547.85 = 38,130.35/x
  3. Step 3: Cross multiply
    69,961.52x = 96,547.85 × 38,130.35
  4. Step 4: Simplify right side
    69,961.52x = 3,681,402,781.85
  5. Step 5: Solve for x
    x = 3,681,402,781.85/69,961.52
  6. Step 6: Final answer
    x = 52,620.39

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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.