Home / 70,907.36-97,853.28-39,076.16

Finding the Fourth Proportional to 70,907.36, 97,853.28 and 39,076.16

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Solution

The fourth proportional to 70,907.36, 97,853.28 and 39,076.16 is: 53,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,907.36 : 97,853.28 = 39,076.16 : x
  2. Step 2: Convert to fraction form
    70,907.36/97,853.28 = 39,076.16/x
  3. Step 3: Cross multiply
    70,907.36x = 97,853.28 × 39,076.16
  4. Step 4: Simplify right side
    70,907.36x = 3,823,730,425.80
  5. Step 5: Solve for x
    x = 3,823,730,425.80/70,907.36
  6. Step 6: Final answer
    x = 53,925.72

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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.