Home / 70,899.58-97,841.40-39,068.20

Finding the Fourth Proportional to 70,899.58, 97,841.40 and 39,068.20

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Solution

The fourth proportional to 70,899.58, 97,841.40 and 39,068.20 is: 53,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,899.58 : 97,841.40 = 39,068.20 : x
  2. Step 2: Convert to fraction form
    70,899.58/97,841.40 = 39,068.20/x
  3. Step 3: Cross multiply
    70,899.58x = 97,841.40 × 39,068.20
  4. Step 4: Simplify right side
    70,899.58x = 3,822,487,383.48
  5. Step 5: Solve for x
    x = 3,822,487,383.48/70,899.58
  6. Step 6: Final answer
    x = 53,914.10

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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.