Home / 70,395.15-97,147.04-38,564.07

Finding the Fourth Proportional to 70,395.15, 97,147.04 and 38,564.07

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Solution

The fourth proportional to 70,395.15, 97,147.04 and 38,564.07 is: 53,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,395.15 : 97,147.04 = 38,564.07 : x
  2. Step 2: Convert to fraction form
    70,395.15/97,147.04 = 38,564.07/x
  3. Step 3: Cross multiply
    70,395.15x = 97,147.04 × 38,564.07
  4. Step 4: Simplify right side
    70,395.15x = 3,746,385,058.03
  5. Step 5: Solve for x
    x = 3,746,385,058.03/70,395.15
  6. Step 6: Final answer
    x = 53,219.36

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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.