Home / 70,962.88-97,929.44-39,132.92

Finding the Fourth Proportional to 70,962.88, 97,929.44 and 39,132.92

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Solution

The fourth proportional to 70,962.88, 97,929.44 and 39,132.92 is: 54,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,962.88 : 97,929.44 = 39,132.92 : x
  2. Step 2: Convert to fraction form
    70,962.88/97,929.44 = 39,132.92/x
  3. Step 3: Cross multiply
    70,962.88x = 97,929.44 × 39,132.92
  4. Step 4: Simplify right side
    70,962.88x = 3,832,264,941.16
  5. Step 5: Solve for x
    x = 3,832,264,941.16/70,962.88
  6. Step 6: Final answer
    x = 54,003.80

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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.