Home / 70,185.84-96,848.04-39,971.16

Finding the Fourth Proportional to 70,185.84, 96,848.04 and 39,971.16

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Solution

The fourth proportional to 70,185.84, 96,848.04 and 39,971.16 is: 55,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,185.84 : 96,848.04 = 39,971.16 : x
  2. Step 2: Convert to fraction form
    70,185.84/96,848.04 = 39,971.16/x
  3. Step 3: Cross multiply
    70,185.84x = 96,848.04 × 39,971.16
  4. Step 4: Simplify right side
    70,185.84x = 3,871,128,502.53
  5. Step 5: Solve for x
    x = 3,871,128,502.53/70,185.84
  6. Step 6: Final answer
    x = 55,155.41

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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.