Home / 70,949.02-97,907.76-39,117.10

Finding the Fourth Proportional to 70,949.02, 97,907.76 and 39,117.10

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Solution

The fourth proportional to 70,949.02, 97,907.76 and 39,117.10 is: 53,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.02 : 97,907.76 = 39,117.10 : x
  2. Step 2: Convert to fraction form
    70,949.02/97,907.76 = 39,117.10/x
  3. Step 3: Cross multiply
    70,949.02x = 97,907.76 × 39,117.10
  4. Step 4: Simplify right side
    70,949.02x = 3,829,867,638.70
  5. Step 5: Solve for x
    x = 3,829,867,638.70/70,949.02
  6. Step 6: Final answer
    x = 53,980.56

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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.