Home / 70,970.03-97,937.47-39,141.89

Finding the Fourth Proportional to 70,970.03, 97,937.47 and 39,141.89

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Solution

The fourth proportional to 70,970.03, 97,937.47 and 39,141.89 is: 54,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,970.03 : 97,937.47 = 39,141.89 : x
  2. Step 2: Convert to fraction form
    70,970.03/97,937.47 = 39,141.89/x
  3. Step 3: Cross multiply
    70,970.03x = 97,937.47 × 39,141.89
  4. Step 4: Simplify right side
    70,970.03x = 3,833,457,677.62
  5. Step 5: Solve for x
    x = 3,833,457,677.62/70,970.03
  6. Step 6: Final answer
    x = 54,015.16

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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.