Home / 70,638.69-97,476.93-64,996.23

Finding the Fourth Proportional to 70,638.69, 97,476.93 and 64,996.23

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Solution

The fourth proportional to 70,638.69, 97,476.93 and 64,996.23 is: 89,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,638.69 : 97,476.93 = 64,996.23 : x
  2. Step 2: Convert to fraction form
    70,638.69/97,476.93 = 64,996.23/x
  3. Step 3: Cross multiply
    70,638.69x = 97,476.93 × 64,996.23
  4. Step 4: Simplify right side
    70,638.69x = 6,335,632,961.97
  5. Step 5: Solve for x
    x = 6,335,632,961.97/70,638.69
  6. Step 6: Final answer
    x = 89,690.69

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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.